Can someone help me (Ayúdenme ☹️)

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm