Which of the following best describes the solution to the system of equations below? 5x + 8y =7 5x + 8y=14 a. the system of equations has exactly one solution where and . b. the system of equations has exactly one solution where and . c. the system of equations has no solution. d. the system of equations has infinitely many solutions.

Multiplying an even number of negative numbers gives an answer that is choose from:

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

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