Which expression represents the sum of 8 and twice a number? a.) 8+n8+n b.) 8+2n8+2n c.) 8×2n8×2n d.) 2×(8+n)

Linet passes through (4.5) and is perpendicular to the line shown on the condirate grid.what is the equation of line t in standard form?

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.