At a toothpaste shop, 500 tubes were sold in august. the manager is hoping to boost sales 20% in september. how many toothpaste tubes must the sales team sell in september to reach this goal?

600 toothpaste tubes

Step-by-step explanation:

500×.20=100

500+100=600

600 toothpaste tubes

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.