Based on Pythagorean identities, which equation is true?
sin^ 0-1=cos^2
sec^2 0-tan^2 0=-1
-cos^2 0-1=-sin^2
cot²0-csc²a0=-1

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m