5 is 90% of what number

Mrs. Bennett has a rug that is an equalateral triangle with a perimeter of 12feet. Which could be the length of the sides of the rug?

Rewrite the fractions 2/5 and 4/15 as fractions with a least common denominator

The sum of 5 and 12 is 7 if and only if a.) 12 is divisible by 5 b.) 12 is greater than 5 c.) 5 is even d.) the difference of 12 and 5 is - 7

Suppose a certain traffic light shows a red light for 43 seconds, a green light for 45 seconds, and a yellow light for 5 seconds.

Solve the system of linear equations. Separate the x - and y-values with a comma. - 3x=-26-2y - 11x=-90-2y

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.