Divide 24 by 30 because 24 OUT OF 30 students are wearing a shirt. You will get the probability of %80 so subtract that out of %100 and you will get C, .20 or %20
Answer:
A. y<-3
Step-by-step explanation:
Answer:
B.
Step-by-step explanation:
Remember that exponentioal rule
x^m times x^n=x^(m+n)
therefor
7^4 times 7^-6=7^(4-6)=7^(-2)
remember the other rule
x^-m=1/(x^m) so
7^-2=1/(7^2)=1/49
answe ris A
40+25+25+70=160 Hope this helps! :)
