1) which answer is a solution of the equation? 2x-y=5
a) (3,-1)

b) (1,2)

c) 7

d) (2,-1)

2) what is the slope of the line that passes through the points (1,3) and (5,-2)?
a) -4/5

b) 4/5

c) 5/4

d) -5/4

Identify the translation rule on a coordinate plane that verifies that square a(-4, 3), b(-4, 8), c(-9, 3), d(-9, 8) and square a'(-3, 2), b'(-3, 7), c'(-8, 2), d'(-8, 7) are congruent.

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Can someone pls ! pls answer all. no explanation needed..