From the top of a 100 meter bulding the angle of elevation to the top of another building on the opposite side of the street is 25 degrees and angle of depression to the foot of the building is 40 degrees. find the height of the opposite building​

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10