Here is an isosceles triangle. AB=AC. Workout the size of angle x.​

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

(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

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?