The Oakville High School Marching Band sold gift wrap to earn money for a band trip. Solid
color gift wrap sells for $3.50 per roll and printed gift wrap sells for $5 per roll. The band
needs to earn $2,500 for an upcoming competition. If the band sells 325 rolls of printed
paper, write and solve a linear equation to find the number of solld paper they must sell.
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250

Step-by-step explanation:

80π/3 or about 83.775

step-by-step explanation:

since a cone is 1/3 of a cylinder, we need to find the base's area. since area = πr^2, we get 16π. then, multiplying this by 5, we get 80π. dividing by 3, since the cone's volume is 1/3 of that of a cylinder's, we get 80π/3.

hope this !

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a