For spirit day each 8th grade home room designs a unique two color t shirt they get to choose from the colors red blue green and violet and orange each t shirt is a solid color with a different color used for the students name what is the probability that a home room will have a t shirt with the combo of blue and violet

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

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.