Write the phrase as a variable expression. Use x to represent "a number."Seven times a number, decreased by 43
A. 7(x - 43)
B. 7x - 43
C. 7(x + 43)
D. 7x + 43
Answer: B
Mathematics
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Solve.In a race, Car A starts 1 mile behind Car B. Car A is traveling at 45 miles per hour, while Car B is traveling at 40 miles per hour. How long will it take for Car A to overtake Car B?
A. 12 minutes
B. minutes
C. 48 minutes
D. 8 minutes
Mathematics
Translate to an equation. Do not solve.33.7 is what percent of 74?
A. 33.7 × z = 74 B. 33.7 = z × 74% C. 33.7 = z × 74 D. 33.7% = z × 74
Mathematics
Find the volume.
A. 56 ft3
B. 100 ft3
C. 17 ft3
D. 112 ft3
Mathematics
Solve the problem.An apartment complex has 7 apartment buildings. Each building has 9 floors with 7 apartments per floor. Find how many apartments are in this complex.
A. 451 apartments B. 431 apartments C. 441 apartments D. 23 apartments
Mathematics