Lina made 9 flower necklaces. each necklace had 16 carnations and 10 hibiscus flowers.

which equation could be used to calculate the total number of flowers used for the leis?

a.
9 × 16 × 10 = f

b.
9 × (16 × 10) = f

c.
(9 × 16) + (9 × 10) = f

d.
(9 + 16) × (9 + 10) = f

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.