Answer:
b. 11cm
Step-by-step explanation:
Answer:
x = 4
Step-by-step explanation:
all angles in triangle add to 180
90+70=160
180-160=20
20÷5=4
Answer:
78.5
Step-by-step explanation:
πr²
= π×5²
= 25π
= 78.5
The answer is 18x^4 - 30x^3 + 66x^2 - 40x + 56
Well, input and output are the functions so look up how to do functions with input and output and you will get the answer or look at this picture