2a(a+b-5)+3(-5a+2b)+b(6a+b-8) the coefficient of the a^2 term is

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.

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain

What is the absolute value of the complex number -4-sqrt2i