Which expression can be used to find the sum of the polynomials? (9–3«) + (-8r2 +4x +5)
Awnswer choices. o [(3)-(-o)] *x|9.
o [ad. a²]•4x |9: c5)]
o 3.(-a)] +4x+ +[9+5]
o a)-(-a)]+4x+ (3+5])

Franco wants to double the volume of the cone. what should he do?

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax