The two triangles are similar. Find the Values of the unknown variables.​

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

What is the 12th term of b(n)=-4-2(n-1)

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.