Please answer FAST. PLEASE ! ' Evaluate each expression if a=3, b=4, and c=12 '
1. a + b + c =
2. b - a =
3. b + c ÷2 =
4. ab
5. c÷a + 10 =
6. c÷a + 10 =
7. ab - c =
' Evaluate each expression if s=1, t=3, and u=5 '
8. us - t
' Evaluate each expression if a=2, b=3, and c=5 "
9. (25 + c) ÷b

Which equation is equivalent to the given expression? -(1/2y+1/4) a. -1/4(1+2y) b. 1/4(2y-1) c. -2(1/4y-1/8) d. 2(1/8-1/4y)

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.

How to express the radical using the imaginary unit , i.