What is the highest common factor of the set of numbers 54 72 and 90
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(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

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Askateboard ramp is in the shape of a right triangle what is the height of the ramp