Jane made a door frame for the house but does not have a tool to measure the angles. How can she check that the
corner is 90 degrees?
Here - Measure three sides , including the diagonals.

What is the range of the data below? .8090100

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)

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.