Write an equation to represent each problem. 1. The sum of fifteen and six times a number t is eighty-one. What
is the number?
2.An electrician charges $40 to come to your house. She also charges
$55 for each hour that she works. The electrician charges you a total
of $190. How many hours does the electrician work at your house?
Use h for the number of hours.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

What expression is equivalent to 42x-56y

Consider the polynomials given below. p(x) = x4 + 3x3 + 2x2 – x + 2 q(x) = (x3 + 2x2 + 3)(x2 – 2) determine the operation that results in the simplified expression below. 35 + x4 – 573 - 3x2 + x - 8 a. p+q b. pq c. q-p d. p-q