Based on Pythagorean identities, which equation is true?
sin^2 theta-1=cos^2theta
sec^2theta-tan^2theta=-1
-cos^2theta-1=sin^2theta
cot^2theta-csc^2theta=-1

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1