Similarity in right triangles

find the value of x

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

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?

Awoman who is 64 inches with a shoulder width of 16 inches. write an equation relating the height h to the width w. find the height of a woman who has ashoulder width of 18.5 inches