What is the nineth term of the arithmetic sequence defined by the rule below? A(n)= -15 + 2(n-1)

i think this could be a possible answer (1 / 84) -1

good luck! : d

i dont know

step-by-step explanation:

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%