Use substitution to solve the system. y = 3x-4 4x-5y = - 13

Factorise x2 + 5x + 6

a farmer bought a number of pigs for $180. However, 3 of them died before he could sell the rest at a profit of 8 per pig. His total profit was $109. how many pigs did he originally buy?

Write a proportion that could be used to solve for each variable. Then solve. 16 walls in 40 hours 3 walls in h hours

Emily used two third cups of milk to make one batch of muffins how many cups of milk would Emily used if she makes three batches of muffins

2v-4^9v+5^2v-4^9v+5 simpify your answer

A beam of wood is 5m long and 36cm thick. It is made of 1.35m³ of wood. what is the width of beam?

How many feet of wood does marcus need for the frame?

A box dozen fruit tarts cost $15 what is the cost of one fruit tart

Based on the formula that you developed in question 3, what is the area of the circle? How do you know your answer is correct? Explain.

Josh has $252 in his bank account this is $12 more than six times the amount of money that Sally has her bank account what equation can be used to represent the relationship between the amount of money josh and Sally have in their bank accountsJosh