40% of a number is 38 what is the number

The perimeter of a square is 100 feet, and the area is 625 square feet. What is the length of each side

Select the correct answer. If a line with a slope of - 2 crosses the y-axis at (0, 3), what is the equation of the line? A. y - 2x = 3 B. -2y + 3x = 1 C. y + 3x = 2 D. y + 2x = 3

Jonas juggled up the hill at a average of 1/12 of a mile per minute and then walk down the hill a average rate of 1/16 of a mile per minute the round trip took him free to minutes what is the missing value in the table that represents the distance

Emily is buying a CD for $17. The sales tax rate where she lives is 6%. How much will the CD cost including tax?

10 (h+1) - 4=76 solve variable. include steps, also check your answer!

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.