YALL I NEED HELP ASAP So i have to multiply and cast out 9s and I know i have the right answer but the casting out 9s part its not falling into place so pls help

948 x 789 = 747,972

pls help ill brainliest, thnxs, and 5 star rate pls

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30