A band is planning to sell t-shirts on tour. Function f describes the cost of making n t- shirts.

f(n) = 3.5n + 240

Part 1
What is f(70)? (Use only the digits 0 - 9 to enter the value.)

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Which math sentence can be used to determine if the triangle is a right triangle?

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row