What is the perimeter of this rectangle?

length: 31 cm
width: 81 cm

is the answer 224 cm?
i’m double checking. you

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?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

Analyze the diagram below and complete the instructions that follow. how to find tan