A company making backpacks charges $39.99 for each backpack. It costs $12.55 to make each backpack. The company can make backpacks in multiples of 10 and there is $900 dollars in fixed costs. The company wants to make at least $3000 profit each week.

What is the period of the sinusoidal function ?

Arectangle has a perimeter of 20 cm. the length, x cm, of one side of this rectangle is uniformly distributed between 1 cm and 7 cm. find the probability that the length of the longer side of the rectangle is more than 6 cm long.

The equation m = 19.32v can be used to find the mass m in grams of a pure gold coin with volume v in cubic centimeters. carl has a coin with a mass of 37.8 grams. the coun's volume is 2.1 cubic centimeters. could the coin be pure gold? explain your reasoning. whoever answers this correctly gets marked brainliest! this is also worth a decent amount of points than normal questions!