What is the improper fraction for 7/4

Rachel's hair grows 3.5 inches in 6 months. How much would you expect Rachel's hair to grow in 2 years.

Nina graduated from college with 138 credits after passing 40 courses. If each of the courses she passed was worth 3 credits or 4 credits, which of these statements is correct? -22 of the courses Nina passed were worth 3 credits each.

Which number sentence shows the commutative property of addition? a) 3 + 0 = 3 b) 3 x 1 = 3 c) 3 + 5 = 5 + 3 d) 3 + (8 + 2) = (3 + 8) + 2

Mikayla withdraws $20 on 4 different days durin the week. Find the total change in her account balance after the withdrawls.

What is the product of 60,000*40

What is the answer for -4^2 (negative 4 with exponent of 2) and (-4) ^2 (in parentheses negative 4, then when parenthesis close, it says exponent of 2)

What decimal part of 80 is 90

A car traveled twice as fast on a dry road as it did making the return on a slippery road. the trip was 60 mi each way, and the round trip took 35 hr. what was the speed of the car on the dry road?

The timekeeper for a particular mile race uses a stopwatch to determine the finishing times of the racers. He then calculates that the mean time for the first three finishers was 5.75 minutes.

Rouns thia number to the nearest thousand 1,995,298