Ms. Sands purchased 60 boxes of crayon at 1.99 cach. a. What was the TOTAL cost of the 50 boxes of crayon?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. ? 2x + 5 < 17 ? 2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6

∠1 and ∠2 are vertical angles. ∠2 has a measure of 63°. what is the measure of ∠1 ? enter your answer in the box.