in architect plans to buy 5 Stone Spears and 2 stone cylinders. for the same amount you can buy 3 stone Spears and 6 Stone cylinders if one stone cylinder cost $31.95 how much does each Stone spear cost?

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.