How can you use 4x7 to find 8x7? find the product

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)