Which of the following are necessary when proving that the opposite angles of a parallelogram are congruent? A. Opposite sides are perpendicular B. Opposite sides are congruent C. Angle addition postulate D. Segment Addition postulate

If the starting number is 30 and the rule is "minus five", what is the formula and what is the 20th number in the sequence?

What fraction of an hour is 6 minutes?

How many solutions does this system have? y = 5x - 1 y = - 3x + 7

Evaluate 7/15 + 2/7 and find the L. C. D

Which is true about characterization? A. A playwright always writes directly about a character's traits. B. A play's dialogue can't reveal many clues about characterization. C. Playwrights can reveal characterization both directly and indirectly. D.

Abc bookstore sells new books, n, for $12, used books, u, for $8, and magazines, m, for $5 each. The store earned $340 revenue last month. The store sold 5 more used books than new books, and twice as many magazines as new books.

Which of the following statements best describes the location of - (-2) on a number line? It is 2 units to the right of 0. It is 2 units to the left of 0. It is 2 units to the right of 2. It is 2 units to the left of 2.

The circumference of A circle is 36pi Feet what is the length of the radius of the circle

A 1950 kg car moves with a velocity of 11 m/s. What is its kinetic energy? Joules

John went to the store. He bought 2 t-shirts for $19.99each. The sales tax was 8%. How much is his total with tax?