Twice a number +3 times the second number is -1 the first number +4 times the second number is two

y = 4/3 x = -1/5 idk if right

Step-by-step explanation:

let x be the first number and the second number be y

2x + 3y = x - 1 + 4y = 2

x + 1 = y

ok then what happened.

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.