= 1/2 (a + b) h let me know if this helps :)
20 multiplied (times) 4 is equal to 80 c:
Answer:
Based on your line, what is the likely test score of a student who does not study for the test? 45
First, you factor and simplify (respectively) the numerator and denominator. Your equation becomes:

Notice, there is a (x + 7) on both the top and the bottom. Because of this, they cancel each other out. What is left is your answer:
A = 1
b = -5
c = -4
x1 = 5.70
x2 = -0.70
<span>Therefore, the negative real number is -0.70.</span>