Find the value of the expression 4a^4-2b^2+40 when a = 2 and b=7

Plz a. s. a. p. the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.

Which expression converts 45 degree to radians

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school