What is 6x+30=3x-42 whats the answer

Bill rode 9 miles on saturday. 9n sunday he rode his bicycle 4 times the number of miles he rode on saturday.

Eric has rock and classical CDs in his car. The number of rock CDs is 3 more than the number of classical CDs. Let c represent the number of classical CDs. Write an expression for the number of rock CDs.

Uno más que la mitad de un número

8. The graph of a horizontal line is a function. True False

The length of a rectangle is 8cm more than 3 times it's width. The perimeter of the rectangle is 64cm

write an integer expression that equals 10. it must contain at least 2 positive integers and 2 negative integers. it also must contain at least one addition symbol and one subtraction symbol

If f (x) = 6x - 4, what is f (x) when x = 8? A2 B16 C44 D52

Alexa mom has 3 kids. Their names are Ally and Alex, what is the 3rd ones name.?

What is the answer for 2x - (x+10) = 45

The volume of one of the Great Lakes is 3.5 * 10^3 cubic kilometers. If there are 6.3 * 10^7 fish in the lake, what is the average number of fish per cubic kilometer?