The value of the digit 7 in the number 764,834 is ten times the value of the digit 7 in which number? A. 37,651
B. 176,803
C. 726,135
D. 510,700
Please explain with the correct answer.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

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