30 preschoolers are going to a field trip 60% of them will be bringing their own lunch how many lunches does the teacher need to make.

plz plzz i'll give brainliest plz

Consider the function f(x)=−2/3x+5 . what is f(1/2) ? enter your answer, as a simplified fraction, in the box. f(1/2)=

Describe the relationship between the angles of similar triangles and the sides of similar triangles

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank