Pls! !
place a second set of parenthesis in the expression below so that the value of the expression is -15 5-20 \div (-5) times 2-7
explain pls.

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

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.