Angelica receives $3 a week for allowance. In addition, she gets $2 for each chore she does. This week the wants to earn enough money for a $13 CD. Write and solve an inequality to determine the amount of
chores Angelica must do to have enough money.

The table shows a pattern of exponents. what is the pattern as the exponents decrease?

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?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?