For a triangle DEF classified as equilateral, which statement must be true?

a. At least two sides are congruent.

b. Two sides are perpendicular.

c. All three sides are congruent.

d. Two sides are parallel.

A cafeteria serves bean nuts every 4 days and a burger every 6 days. If nuts and burgers are served on Mondays, on which day will the two types of food be served again at the cafeteria

If p and q are non-zero rational numbers, and s and t are irrational numbers, select all of the statements that are always false. The product pq is irrational. The product pt is irrational. The quotient pqpq is irrational.

Is the square root of 100 rational or irrational? What about the square root of 0.25?

Marissa earns $38 per hour for the first 40 hours she works in a week. For every hour after the first 40 hours that she works in a week, she earns one and a half times her regular hourly rate.

Find the value of n. 0.83% of n is 18.26

There is two questions! A two-dimensional figure with four sides has 2 pairs of opposite parallel sides, 4 congruent sides, and 4 right angles. Classify this figure in as many ways as possible. Select each correct answer.

Write an equation for each translation of y = lxl. 7 units right y = | x | - 7 y = | x | + 7 y = | x + 7 | y = | x - 7 |

Suppose you choose a marble from a bag containing 4 red marbles, 2 white marbles, and 3 blue marbles. You return the first marble to the bag and then choose again. Find P (red and blue). A. 4/3 B. 2/3 C. 7/9 D. 4/27

A car is priced at $7200 after a 10% discount then a 20% additional discount. What is the original price of the car?

Solve: - h/88 - 4/8 = 4/8.