Give the slope of y- 4 = 5(x-2) and a point on the line

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).