exam Maths Puzzle Numerical Ability

Factor theswe polynomials completely

54. 2x^2 -x - 10
80. 4m^2 + 20 + 25
60. 10a^2 + ab - 2b^2

Read Solution (Total 0)

exam Other Question

The excursion boat on the river takes 2� hours to make the trip to a point 12 miles upstream and to return. If the rate at which the boat travels in still water is 5 times the rate of the river current, what is the rate of the current? I have to find the class width,class midpoints,and class boundaries for the fequency distribution.
daily precipatition frequency
0.00-0.49 31
0.50-0.99