First, note that x+21 and 3x+9 are "complementary angles;" they add up to 90 degrees. Thus, 4x + 30 = 90 degrees, so that 4x = 60 degrees, and x = 15 degrees.
Answer:
$ 3 DOLLAR DIFFERENCE WHICH IS A 16.67 % DECREASE.
Step-by-step explanation:
I think 55. It can’t be more than a 90 degree angle. And it doesn’t look like it would be 48 either.
Answer:
Step-by-step explanation:
Expression; coefficient, variable; constant; substitute, though I think it should be substitute 7 for x, not 3 for x; and simplify
Answer : 15.75 square inches
Step-by-step explanation:
