Define a variable, then write and solve an inequality: Alex and his mother spent at least $130 while shopping for new clothes. Alex spent $52. How much money did his mother spend?

The formula C = 15x + 30 relates the total cost of reserving a shelter at the water park, where x is the number of hours needed. If you have $90 available, how many hours can you use the shelter?

Percentage to decimal

What is 38000 nearest hundred thousand

What is the approximate circumference of a circle with a diameter of 500 kilometers? use pi = 3.14. a (785 kilometers b (1570 kilometers c (3140 kilometers d (3725 kilometers

Luke has $21 more than Rachel and $48 more than Daniel. All together they have $ 168. How much money does Luke have?

Aspen added 14 to the product of 224 and 16. What is the sum?

the number 42,__2 rounded to the hundred place is 42300. what is the least possible sum of the two missing digits? justify your answer.

What were Greek tyrants like?

Is 4b²+40b+20 a perfect square

Moving forward a negative distance is the same as moving backward a positive distance. a. True b. False