EFGH is a parallelogram and angle HEF is a right angle.
Select all statements that must be true.

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

Find the value of x. give reasons to justify your solutions! c ∈ ae

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.