How do I work out this math problem - 8y + 20z and show the work?

Jasmine is converting £200 to euros. The exchange rate is € 1 = 77p. How many euros will she get?

Find the volume of a triangular pyramid with a base height of 5 inches, base length of 3 inches, and a height of 6 inches.

Converting 15/10 to a percentage

Factor completely 4ab - 7ax + 8b - 14x. (4b - 7x) (a + 2) (4b + 7x) (a + 2) (4b - 7x) (a - 2) Prime

What is exspanded notation for 3.6 and 4

There is a geometric theorem that says if two lines are perpendicular to the same line, they are parallel to each other explain why this is true by writing & comparing equations

How do you graph (y=-1/2x-1) (y=-3x+4)

A motorboat travels 448 kilometers in 8 hours going upstream and 516 kilometers in 6 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?

Jack made 50% more smoothies than yesterday. If he made 30 smoothie today how many did he make yesterday?

Mr. Ramirez has enough money to fence one of his rose gardens, how many feet of fencing will he need if both gardens have the same perimeter