Select all that apply. Which equations could you use to change 3/4 to a percent?

3= 4x

3/4 = x/100

4=3x

x/3 = 4/100

Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

Solve: 3x+y=6 4x-2y=18 show all work !

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