Janine determines that the total resistance in her circuit is 80 ohms. Using the inverse equation (r= 120t/ 120-t) modeling the situation, find the resistance of the second lightbulb. The resistance of the second lightbulb is ___ ohms.

a. 300
b. 120
c. 40
d. 240

With alll of except for the 2 that i did already

To diagonalize an nxn matrix a means to find an invertible matrix p and a diagonal matrix d such that a pdp d p ap or [1 3 dh epap 3 let a=-3 -5 -3 3 3 1 step 1: find the eigenvalues of matrix a "2's" step 2: find the corresponding eigenvectors of a step 3: createp from eigenvectors in step 2 step 4 create d with matching eigenvalues.

The price of a lawn mower is x dollars. the store is having a 75% end of summer clearance sale. which expression can be used to find the clearance price of the mower? a) .25x b) .75x c) x - .25(75) d) x + .25(75)