Suppose x and y vary inversely and y=10 when x=4. write a function that models the variation then find y when x = 90

Explain the difference between quadratic equations with one solution, two solutions, and complex solutions

Michelle earned $150 during the summer for babysitting. She bought 2 packs of Blu-ray disks worth $65 each using her babysitting money. How much money was left after she bought the Blu-ray disks?

Which expressions are equivalent to 5 x minus 15? Select three options. 5 (x + 15) 5 (x minus 3) 4 x + 3 y minus 15 minus 3 y + x Negative 7 y minus 6 x minus 8 y + x Negative 20 minus 3 x + 5 + 8 x

What is the answer of 2 1/3 + 3 1/3=

A cell phone store sold 450 newly released cell phones in three hours. This was 30% of the number of cell phones sold that day. How many newly released phones did the cell phone company sell that day?

Solve for x: 2 (3x - 9) = 18x x = - 3/2 x = 3/2 x = 0 x = 6

What expression is equivalent to 27 + 15?

6000 + 4500 + 58 1500

The probability of rain is 0.6, the probability of fog is 0.4, and the probability of rain and fog is 0.15, what is the probability of rain or fog

How do you change a fraction into an improper fraction. Use this example 6 1/2