Timed Mini Exam 58 — Timed Mini Exams

Questions in this quiz (9)

1. A school club has a ratio of $$5$$ seventh-grade students to $$7$$ eighth-grade students. If the club has $$48$$ students in all, how many are seventh-grade students?

   • $$12$$ students
   • $$16$$ students
   • $$20$$ students
   • $$28$$ students

2. A delivery truck left a warehouse at $$8{:}35$$ a.m. The trip took $$3$$ hours and $$48$$ minutes. At what time did the truck arrive?

   • $$12{:}23$$ p.m.
   • $$11{:}43$$ a.m.
   • $$12{:}13$$ p.m.
   • $$1{:}23$$ p.m.

3. The table shows enrollment in evening classes at a community center.How many more women than men are enrolled in all four classes combined?

   • $$22$$ students
   • $$26$$ students
   • $$28$$ students
   • $$32$$ students

4. The diagram shows the floor plan of a living room and dining room. Rounded to the nearest square yard, what is the combined floor area of the two rooms?

   • $$42$$ square yards
   • $$47$$ square yards
   • $$52$$ square yards
   • $$57$$ square yards

5. In the illustration, line segment $$CD$$ represents the base of triangle $$BCD$$. Which line segment represents the height of triangle $$BCD$$?

   • $$\overline{AB}$$
   • $$\overline{BC}$$
   • $$\overline{BD}$$
   • $$\overline{AC}$$

6. What is the area of rectangle $$MNOP$$?

   • $$28$$ square units
   • $$56$$ square units
   • $$112$$ square units
   • $$192$$ square units

7. According to a mathematical table, the ratio of the opposite side to the adjacent side of a $$60^\circ$$ angle in a right triangle is $$1.732$$. Use this information to calculate $$x$$ in the diagram. Round your answer to the nearest foot.

   • $$66$$ feet
   • $$73$$ feet
   • $$84$$ feet
   • $$173$$ feet

8. Find the quotient of $$\frac{15m^3n^4}{5mn}$$.

   • $$3m^2n^3$$
   • $$3m^3n^4$$
   • $$3mn$$
   • $$10m^2n^3$$

9. The graph plots the hours Bill spent studying and the scores he earned on four tests. Which ratio cannot be used to calculate the slope of the line connecting the four points?

   • $$\frac{90-80}{4-3}$$
   • $$\frac{90-70}{4-2}$$
   • $$\frac{80-60}{3-1}$$
   • $$\frac{80-70}{3-1}$$