Robert participates in cup stacking competitions. When he practices he uses cups that measure
7 cm tall. The function below represents a
sequence in terms of the number of rows in the
pyramid, n, and the height of the pyramid, f(n).
f(n) = 7 + 7(n-1)
What is the height of the pyramid when there are
5,6, & 7 rows of cups,(n)?
A. 49 cm, 56 cm, 63 cm
B. 35 cm, 42 cm, 49 cm
C. 7 cm, 14 cm, 21 cm
D. 5 cm, 6 cm, 7 cm

1.0

step-by-step explanation:

22

step-by-step explanation:

1

x = 1

step-by-step explanation:

0 ÷ x = 0

0 ÷ 1 = 0

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%