Using the completing the square method, which of the following is the solution to x2 + 4x - 7 = 0? a. x = -2 - √11, x = -2 + √11 b. x = 2 - √3, x = 2 + √3 c. x = 2 - √11, x = 2 + √11 d. x = -2 - √3, x = -2 + √3

The perimeter of a rhombus with a side of 6 is 24

Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100