Every solution to a linear equation a) makes the equation true when substituted for the variables
b) is a point in the coordinate system
c) is a set of ordered pairs (x, y)
d) all of the above

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax