Use the grouping method to factor 4x^3 + 20x^2-3x-15

a) (x-5) (4x^2+3)

b) (x+5) (4x^2-3)

c) 2x (x+1) (2x-15)

d) (x^2-5) (4x+3)

Simplify the expression - 2b-6+3b-2

Christine buys 7 hamburgers and 3 sodas for $27.95. Laura buys 5 hamburgers and 4 sodas for $23.40. How much does a hamburger cost? A. 1.85 B. $3.20 C. $6.80 D. $6.55 E. $3.50

What is the inverse function of h x equals - 3 / 5 x + 1/2

Jack has 9 quarters, 7 dimes, and 5 nickles. Does he have enough money to buy a box of crayons for $3.25?

Solve y=f (x) for x. then find the input when the output is - 3 F (x) = 3x+5

If the school supplies you need cost $25 but you have to pay 7% extra in sales tax how much extra will you have to pay

Jung bought 15 yards of cloth he used 2 1/3 yards of cloth to make a jacket he cut the remaining cloth into 2 equal pieces find the length of each of the 2 remaining pieces

How to calculate standard deviation given mean and sample size?

Gary unpaid credit card balance is $2543.32. His APR is 17.4%, and he made one new transaction for $320. What is his new balance? A: $2900.20 B: $3020.46 C:$3305.86 D:$3442.34

How do you solve 840 - 56