James eamed scores of 87.80.75 and 85 on four engistess
what score musi he eam on his next test to have an 85 average?
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You can find the constant of proportionality by finding the ratio of

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet