Asmall child is at a candy store, eager to spend his $1 allowance on candy. his two favorite candies are priced at $0.05 and $0.10, respectively. if the child is intent on spending his entire allowance on candy, which of the following represents a standard form equation that describes this situation? a. 0.05x+0.10y=1.00 b. 0.10x-0.05y=1.00 c. 5x+10y=100.00 d. x+2y=20.00

Klein read 30 pages of a book on monday and 1/8 of the book on tuesday. he completed the remaining 1/4 of the book on wendesday. how many pages are there in the book?

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?

What expression is equivalent to 42x-56y