Answer:
D
Step-by-step explanation:
complementary sums until 90 degrees
90-13=77
Answer: 10x+16
Use the distributive property a(b+c)= ab+ac
so
-2(-5x-8) = (-2 * -5x) - (-2* -8)
=
10x-(-16)
=10x+16
Hope this helped!
4(x + 1) = 8
4x+4=8
4x=8-4
4x=4
x=4/4
x=1
d. 45.5%
original price = 20
B
b is correct