Juan has baked a cake and wants to sell it in his bakery. he is going to cut it into 12 slices and sell them individually. he wants to sell it for three times the cost of making it. the ingredients cost him $8.50, and he allowed $1.25 to cover the cost of electricity to bake it. write equations that describe the following statements
a. the amount of money that he sells the cake for (u).
b. the amount of money he charges for each slice (c).
c. the total profit he makes on the cake (w).

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

If its non of them tell me..valerie took a day-trip. she drove from her house for a while and took a coffee break. after her coffee break, she continued driving. after  2  hours of driving after her coffee break, her distance from her house was  210  miles. her average speed during the whole trip was  60  miles per hour.valerie created the equation  y−210=60(x−2)  to represent this situation, where  xx  represents the time in hours from her coffee break and  yy  represents the distance in miles from her house.which graph correctly represents valerie's distance from her house after her coffee break?

For the following equations, find the ratio of a to b. be sure to show all of your work. a. 3a = 6b b. 15a = 5b