Kelly mows 30 ft2 in 12 minutes. How many minutes will it take for her to mow 950 ft2?

Wrote and expression for the difference of p and 4

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

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.