Which of the following are necessary when proving that the diagonals of a rectangle are congruent? Check all that apply.

Given the equation is a (x+b) = cx what's the formula for x?

Would they product of 3 and 165 be less than or greater than 600

Show work and show answer as a mixed number for 6x+11-16x=-21

A beam rest against a wall forming a 55 degree angle with the floor

Why is 24 a more convenient choice than 23 or 25

What time is 80 minutes before 1:10

A sample of fifth-grade classes was studied in an article. One of the variables collected was the class size in terms of student-to-faculty ratio. The student-to-faculty ratios of the 70 fifth-grade classes sampled have a mean of 17.

Patrick, Paulo, and Joseph divided 68 oranges. Patrick got two oranges less than Paulo and Paulo got twice as much as Joseph. How many oranges did Joseph get?

Goofy wants to buy white rice. The store has 4 different sizes of white rice bags: $2.00 for 1 pound, $4.25 for 2 pounds, $9.50 for 5 pounds, and $20.00 for 12 pounds. Which poundage should Goofy buy?

Find the measure of angle JCA if J is the incenter of the triangle ABC