Verify which of the following are identities. 1) 8 cos theta tan theta csc theta = 8

2) 13 sec^2 theta/cos^2 theta- tan^2 theta/ cos^2 theta=2

a. Only the first equation is an identity.
b. Only the second equation is an identity.
c. Both the equations are identities.
d. None of the equations are identities.

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1