Sam is rolling a number cube with the numbers 1, 1,2,2,3 and 3 printed on it. What is the probabillity that, if he rolls the cube twice, the sum of the numbers will add to 4?

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.

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2