Walter takes 7/10 of an hour to mow 2/5 of an acre of lawn. at this rate, how many acres will he mow in an hour?me with this.

What is the solution to the inequality? 6x−5> −29, a x> −4 bx> 4 cx< 4 dx< −4

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

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?