Gasoline sell for 51 cents a gallon. What will the cost of the gasoline on a 2,200mile trip. average of 22 miles per gallon is made in the trip?

(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

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles