Simplify (x − 4)(x2 + 3x − 1).
a. x^3-x^2+11x+4
b. x^3-x^2-13x+4
c. x^3+7x^2+11x+4
d. x^3+7x^2-13x+4

15/16 as a decimal rounded to the nearest hundredth

Use sigma notation to represent the following series for 9 terms.

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall