Como eu divido 3/4 por 20?

Insert parentheses, brackets, and/or braces to make the equation true: 5+3x12-3=35

The ratio of boys to girls is 5 to 4. There are 80 boys

Edward started his hike at an elevation of 115 feet below sea level. Throughout the hike he ascended 3,200 feet and then descended 676 feet. How much did his elevation change

What's larger 80% or 1/8

In your class, 7 students do not receive a weekly allowance, 5 students receive $3, 7 students receive $5, 3 students receive $6, and 2 students receive $8. What is the mean weekly allowance?

Ribbon A is 1/3m long. Ribbon B is 1/4m longer than ribbon A. The length of ribbon C is 1 1/2 times the length of ribbon B. What is the length of ribbonC

Factor and simplify: 4a^2c^2 - (a^2-b^2+c^2) ^2

A car braked with a constant deceleration of 64 ft/s2, producing skid marks measuring 50 ft before coming to a stop. How fast was the car traveling when the brakes were first applied?

Which physical property would be best to use to distinguish hematite from the other minerals in the table? A. crystal system B. streak C. hardness D. luster

Mr. and Mrs. Rose have six old railroad ties that they would like to use to border two different triangular flower beds.