Multiply (5x2 + x − 4)(x + 2).

5x3 + x2 − 4x − 8
5x3 + 11x2 − 2x − 8
5x3 + 10x2 − 4x − 8
5x3 + 20x2 + 2x − 8

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

If $190 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 4 years? use the continuous compound interest formula: a = pert