Directions:Use the product rule to simplify the following monomials. 18.) 19m⁸n⁸ - (4m⁵n)(3m³n⁷)
19.) (-5cd)(-3c⁴d) - (7c²d²)(2c³)

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Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?