What is the solución of the equation x2-2x-22=0?

Write the percent as a decimal. 12%

Penny is training for a race. First she ran 1/10 of a mile 4 times. Next she ran 1/5 of a mile 3 times. Then she ran3/10 of a mile 2 times. How far did penny run during her training? is it one and 3/5 mile?

What is the area of this tile? 10 in. 6 in.

What expression is equivalent to 2x+9-x+3? show your answer is correct by substituting a value for x.

500 increased by 30%

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.