Simplify the ratio of 42:28:21

A parabola opening up or down has vertex (0, - 1) and passes through (6, - 10). Write its equation in vertex form.

10 to the power of 5 / 10 to the power of 2

Order the following from least to greatest 5/4 1 8/25 1.3

How do you solve m+4=-12

Which algebraic expression is equivalent to the expression below? 9 (4x + 5) + 15

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.