If four times the sum of a number and three is six less than twice the number what is the number

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

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

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?