I need a step by step explanation of how to do this problem mentally and quickly:

7 3/4 - 1 2/7 - 3/2

The length of a screwdriver is 19 centimeters. the handle is 5 centimeters long. what is the length of the top of the screw driver

What is the answer to this problem 7 (m+5) = 21

aula bought a ski jacket on sale for $8 less than half its original price. She paid $84 for the jacket. What was the original price?

Conner bought a birthday card for $2.19, gift wrap for $3.89, and a game for $13.13. Estimate the total cost

How many times dose 42 go into 1,984

At a basketball game, a vender sold a combined total of 109 sodas and hot dogs. The number of sodas sold was 57 more than the number of hot dogs sold. Find the number of sodas sold and the number of hot dogs sold

What are the degrees a trapezoid has?

The temperature fell 12°F from 46°Fto 34°F in 10 hours. how much would the temperature fall over 15 hours if the pattern continued

Simplify 12 + 3 (2x - 3) + 4. A. 6x - 3 B. 6x + 7 C. 6x + 13

Find the slope of the line that passes through (-1,-4) and (3, 5).