Answer:
there are four terms; an, 3n, -1 and 1.
4:7
scored=12
attempt=21
12:21=4:7
x^2 + 9.5^2 = 11^2
x^2 + 90.25 = 121
x^2 = 30.75
x^2 =
x = 5.54cm
rounded: 5.5cm
answer: D
it is 3 numbers all together and they are 25, 36 and 49.
Answer: 21
Step-by-step explanation:
9 + 10 = 21