What is 100 over 9 minus 15 over 8?

Two angles are complementary if the sum of their measures is 90°. find two complementary angles such that one of the angles is 78° less than 2 times the other angle. (round to two decimal places if necessary.)

Luke solves this problem. he says the difference is 214. explain the mistake luke made. what is the correct defference

Mitch is saving money to go on a camping trip this summer. So far he has saved $160 which is 40% of the money needed to go on the camping trip.

Find the product of 1/7 of 14

What is the greatest common factor of the terms in the polynomial 8x4 - 4x3 - 18x2? 2x 2x2 4x 4x2

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.