80% of the 400 pieces of art at the Classical Art Museum are paintings. How many pieces of art are paintings? GIVING BRAINLIEST idk whats it called =_=
WITH ALOT OF POINTZ

What is the value of 1/3x + 7x when x = 5

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?