Select all the expressions that are equivalent to 3^12•7^9 A. 3^3•3^4•4^9
B. (3^3)^9•(7^3)^6
C. 7^3•(3^-4)^-3•7^6
D. (3^3 +3^9) • (7^6+7^3)
E. 3^20 • (7^3)^3•(3^4)^-2

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

The price of a visit to the dentist is \$50$50. if the dentist fills any cavities, an additional charge of \$100$100 per cavity gets added to the bill. if the dentist finds nn cavities, what will the cost of the visit be?