Answer: -17
f(-2)= -2^2 + 4(-2) -5
-4 + (-8) -5
-4-8-5= -17
Label the 2 angles, one is x and the other is 8x.
90 = 8x + x
90 = 9x
10 =x
10 times 8 = 80. this is 8x.
10(which is x) + 80 (which is the 8x) = 90.
Answer:
23 and 9
Step-by-step explanation:
THE ANSWER IS 11 AND 1/2
so explanation
6 and 7/8+4 and 5/8=6+7/8+4+5/8=6+4+7/8+5/8=10+(7+5)/8=10+12/8=10+1+4/8=11+4/8=11+1/2
THE ANSWER IS 11 AND 1/2
