Two lines a and b are represented by the following equations line a 4x+4y =16 line b x+y=4 which statement is true about the solution to the set of equations it is 1,2 there are infinitely many solutions it is 1,5 there is no solution

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2