The cost per minute for a conference phone call, originally $3.20, increased by 40%. what is the new price?
a. $4.58
b. $4.48
c. $3.60
d. $3.32

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65