Answer:
12 degrees
Step-by-step explanation:
8 below zero is -8.
20+ -8 = 12
Answer:
(8x-5y)(8x+5y)
Step-by-step explanation:
Using the square principal because the square root of 64x2 is 8x and the square root of 25y2 is 5y and +- because +times- is only minus and the equation is minus.
It has a 31% chance. i used a calculator. so i guess the best answer is B.
Answer:
5
Step-by-step explanation:
The probability that the value selected at random is greater than 30 will be found as follows:
z-score is given by:
z=(x-mu)/sig
z=(30-30)/2=0
thus
P(x>30)=1-P(X<30)=1-P(z<0)=1-0.5=0.5
Answer P(x>30)=0.5