Pat’s Pooches charges an initial fee of $18 plus $8 an hour for doggy day care. Don’s Doggies charges an initial fee of $4 an hour and $10 an hour for doggy day care. Find the number of hours for which the total amount charged would be the same.

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite

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

There are a total of 75 students in the robotics club and science club. the science club has 9 more students than the robotics club. how many students are in the science club?