19)

 elizabeth works part-time to pay for college. she has worked for the last 14 days without a day off for a total of 48 hours. depending on her schedule, she either worked for 3 hours a day or 4 hours a day. during the 14 day period, how many days did elizabeth work for 4 hours a day?

a)4b)5c)6d)7

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

3c2 + 2d)(–5c2 + d) select all of the partial products for the multiplication problem above.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)