What expressions are equivalent to the sum of 45+63

If a 4-meter flagpole casts a shadow of 6 meters at the same time that a nearby building casts a 24-meter shadow, how tall is the building?

The table shows data from a survey about the amount of time high school students spent reading and the amount of time spent watching videos each week (without reading) :

If ab-d=c solve for for b

Solve 4 (x - 3) - 2 (x - 1) > 0. x > 2 x > 5 x > 7 x

How do i put 3.83 as a mixed number

Show steps 3y - 4 < or equal to 5

What is greater - 1.44 or - 1 1/4

Court time is selling tennis rackets for $64.99. The cost to court time is $37.48 per racket. Overhead is estimated to be 20 percent of the selling price. What is the net profit rate?

25 is on sale for 30% off. What is the sale price

5x+3y=4 Y=-3x how do i do this?