Which ordered pair is the best estimate for the solution of the system of equations? y=−2.5x+6.5y=x+1

(1.25,2.5)

(1.75,2.25)

(1.5,2.5)

(1.25,1.75)

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _