A plumber charges a one time charge of $65 plus an hourly rate, h in dollars. The plumber worked at a customer's house for 5 hours and charged a total of $215.
What was the hourly rate (h) in dollars per hour?

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

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

The product of sin 30 degrees and sin 60 degrees is same as the product of