Jimmy had an average of 88 on his weekly mathematics tests for the first 5 weeks. What would he need to make in the 6th week to have an average of 90?

(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

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?