Miguel saves the same amount of money into a bank account each week. The bank account started with some money. After 3 weeks, the bank account contained $250. After 10 weeks the bank account contained $600. Write an equation to be used as a model the number of dollars, y, Miguel saves in x weeks. Explain the slope and y intercept.

Are carpet coast $15 per square metre. the total delivery charge is $21 peter buys n squared metres of carpet what is the expression which represents the total cost in $

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).