Alvin's family used 20.5 gallons of gas to Drive 492 miles. How many miles did they drive on each gallon of gas

Yesterday Bethany sent 60 text messages. she said that 15% of those messages were to her best friend. how many text messages did Bethany sent to her friend yesterday. explain your answer!

Solve the system of equations below algebraically. 2x + 3y = 6 - 5x+2y=4

Sum up 67 and 62, subtract therefrom 5. then multiply with 2.

What is 0.523 divided by 10 exponent 2?

C.) y=x2 + 4x - 1 a= b = c. Vertex Axis of Symmetry:

Yoku Is putting on sunscreen. He uses 2 ml to cover 50 cm² of his skin. He wants to know how many milliliters of sunscreen he needs to cover 325 cm² of the skin.

Find the measures of

Which value of x makes this inequality true? X + 9 < 4x

Find the value of f (-8) if:f (x) = 12x-29

How to explain that x/y can result in either a positive or negative quotient