Evaluate 5x^2-9 when x=2

What is the ratio of 420 to 1000 as a fraction in simplest form

Riley is saving up to buy a new television. She needs a total of $1,142.58. Riley has saved $200.82 already and earns $78.48 per week at her job. How many weeks does Riley need to work to save enough money to buy the new television? A. 10 B. 13 C.

Kia buys 2 Cartons of Vanilla Ice Cream And 6 Cartons of Chocolate Ice Cream. Each carton contains 32 ounces of ice cream. She serves 4 ounces of ice cream in each bowl. What is the greatest number of bowels of ice cream that Kia can serve?

A camera crew on the ground is recording the act of a performer walking a tightrope stretched between two buildings. A member of the camera crew who is 1.8 m tall is almost directly below one end of the tightrope.

If you switch the the digits of a two digit prime number will it result in a prime number

A study to determine the degree of relationship between two events is called

Mr. tom is making 8 of his famous cheese sandwiches. he uses 1/4 of a pound of chesse for each sandwich. A. How many pounds of cheese does mr. tom need to make all the sandwiches? B. If mr.

A carton can hold 100 unit cubes that measure 1 inch by 1 inch by 1 inch. Discribe the dimensions of the carton using unit cubes

Theo's mom bought an 8 pack of juice boxes at the store for $4. Find the unit rate for the juice boxes

people are waiting in line for a theatre premiere every 5th person in line will receive a free theater ticket every 6th person will receive a gift card for $40 which person is the first to receive both prizes