Took 3 of us in grade 10 but johns present age is 77.5 and his sister is 72.5
Equation a^2 + b^2 = c^2
c = longest side, unknown
The answer is D.
12^2 + 10^2 = c^2
Answer:
x=3
Step-by-step explanation:
f(x) = 2^x
Let f(x) =8
8 = 2^x
Rewriting 8 as 2^3
2^3 = 2^x
The bases are the same so the exponents are the same
3=x
The answer would be 1,500 because 68 is higher than 50 so it will round up to 1,500.