Katie has $150 in her savings account. She wants to buy a new iPad that
costs $375. How many weeks will it
take her to have enough to buy the
iPad if she saves $25 each week?

Can someone me with this problem . show your work .

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.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.