Frank is designing a new walkway for his house. He is using concrete stones to make the walkway. He knows he will need 50 pounds of sand for every 10 concrete stones he will lay in the walkway. Which equation describes the relationship between the amount of sand in pounds, s, and the number of concrete stones, c? A. s=10c+50
B. c=5s
C. c=10s+50
D. s=5c

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.

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap