Simple true or false...

d/dx{x^3e^x]=x^3e^x(3x+2)

True or false

I’m how many different ways can she give the four remaining flowers to the rest of the teachers in the afternoon

Jessa bought a yoyo from a company that claims that, with each retraction, the string rolls up by 60% of the original length. she sets up a tape measure and throws the yoyo 3 times. her data are charted below. throw length of string (feet) 1 3 2 1.8 3 1.08 jessa wants to find the sum of the length of string after 10 throws. what is the sum of the lengths, rounded to the nearest hundredth?

Angle m aoc=108° m aob=3x+4° m boc=8x-28° find m aob