Try this option (see the attachment, the answers are marked by red colour), note, the value of the left angle in not visible (task no. 3) >> solution not given.
Answer:
b=3
Step-by-step explanation:
yes
–(x^2–2x+12) would become –x^2+2x–12.
3x^2+9x+13 – x^2+2x–12
= 2x^2 + 11x – 1
Answer:
e
Step-by-step explanation:
Answer:
Step-by-step explanation:
Side=AC=9
Side AB= x
Hypotenuse =CB= y
Side AB = 9
Hypotenuse CB = 36