Of the 45 students in mrs. ramsey's art class, six-ninths are in sixth grade. how many sixth graders are in mrs. ramsey's art class?

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

What is the perimeter of an equilateral triangle if each side is (x+3)?

What is the period of the sinusoidal function ?