Which of the following ordered pairs represents the solution to the system given below? (4 points) 2x + y = 20 4x − 2y = 40 a.) (10, −10) b.) (10, 0) , 10) d.) (4, 2)

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle?

When you find the area of a triangle do you use in. or in2