Answer:-7
Step-by-step explanation:do absolute value first and then put the negative sign
Whats the question u just told us some of the information
Answer:
(a) 9
Step-by-step explanation:

substitute r = 4, t = 2

simplify

cubic of 2 is 8

simplify

This is a 45-45-90 triangle and the ratios of the sides are 1 : 1 : sqrt2 where sqrt2 is the length of the hypotenuse ( longest side)
So the measure of x = 12 sqrt2 which is the first choice.
Answer:
4,800
Step-by-step explanation:
Sorry I don't know how to explain it scientifically but I know how to do the calculations
1) Theres 60 minutes in an hour
2) 80x60= 4,800 beats