Robert earned $37.38 on Monday, $20.46 on Tuesday, and $49.84 on Wednesday. He calculated that he earned $87.22 for the three days.

Estimate the amount Robert earned. Is his calculation reasonable?

Solve the following radical equation. Be sure to check your solutions √ (3x+5) - 2=-1.

Complementary angles have measures (4x) ° and (5x-27) °. Find the measure of the larger angle. A. 77 B. 54 C. 52 D. 62

Bob can type 2 letters in 4 hours while Bill can do it in 6. How many hours would it take them, working together, to type six letters?

One side is 3 units, and the perimeter is 10 units.

Find the square root of the number. -18

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.