Stephanie spent 50% of x hours at her part-time job. What is x if 50% of x is about 46 hours? Explain how you estimated and which property of equality you used to find x.

The ratio of the side length of square a to the side length of square b is 4:9. the side length of square a is 12 yards. what is the perimeter of square b?

2. Amber coaches soccer and volleyball. She coaches both sports for a total of 10 h each day. The soccer practice lasts 1 h more than twice as long as the volleyball practice. (a) Write a system of equations to model the situation.

Find the discriminant of the polynomial below. 4x2 - 20x + 25?

What percent of 8x is 5x?

Ella and her children went into a bakery and where they sell cookies for $0.50 each and brownies for $2.25 each. Ella has $15 to spend and must buy a minimum of 9 cookies and brownies altogether.

69. What is the solution to 0.21/0.33 = x/1.10? A. 0.07 B. 0.67 C. 0.70 D. 6.70 E. 7.00

Two people can swing on a trapeze at the same time as long as their total weight is less than 500 pounds. Joe weighs 240 pounds and is 6 feet tall. Jake weight 250 pounds and is 32 years old. Can Joe and Jake swing on the trapeze at the same time?

May baked 24 cookies with 2 cups of flour how many cups of flour does may need in order to only bake 20

Multiply (2 - 7i) (9 + 5i)

Jack is 4 times as old as Lacy. 5 years from now the sun of their age will 70. How old are they now?