Factor 4x2-100 completely

Are being in the 31-45 age group and having incomes over $60,000 independent? Are being in the 18-30 age group and having incomes between $20,000 and $40,000 independent?

A circle has a radius of 7cm. find the radian measure of the central angle? that intercepts an arc of length 16cm.

What ratio is equivalent to the ratio 9:10

Which is a factor of 4x^2-6x-40?

Gwen works at a pizzeria. She can make 1 over 2, of a pizza in 1 over 24, of an hour. If she continues to work at the same rate, how many pizzas can Gwen make in an hour?

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.