Two plans for reaching a goal are given below plan a say $450 over the next eight weeks by working hours per week at $7.20 per hours plan b save $450 over the next 6 weeks by working 15 hours per week at $6.50 per hour which of the following is a true statement

#12 find the value of x. #13 find the value of the variable.

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left