Final grades are often computed using weighted averages. for example, fran's teacher uses the following: homework 10%, quizzes 20%, and tests 70%.

fran has an average homework score of 92. her quiz score average is 68, and her test score average is 81. what final grade can fran expect?
a) 73.5
b) 75.5
c) 78
d) 79.5

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?