Jason spends $2.35 to buy lunch at school. If he buys a lunch on 9 days, how much total money has he spent? Write and equation and solve.

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.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x