Huang has a coupon that gives him 20% off all items purchased. he buys 3 shirts that each cost the same amount, and he pays with a $100 bill. which expression represents the amount of change huang should receive? check all that apply

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%

For the feasibility region shown below find the maximum value of the function p=3x+2y

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking: