The vertices of a triangle have the coordinates A(3,4), B(-2,-1), and C(-7,6). Determine if it is a right triangle? Justify your response.(somebody please answer quick)

The sum of two numbers is 58. the first number is 8 less than half the second number. let  c  represent the first number. let  drepresent the second number. which statements about solving for the two numbers are true? check all that apply.the equation    represents the sum of the two numbers.the equation    represents the sentence “the first number is 8 less than half the second number.”the equation    represents the relationship between the two numbers.the equation    represents the sum of the two numbers.the number  d  is 14.the number  c  is 44.the number  c  is 14.the number  d  is 44.

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

If the function m(x) has the point (5,2) on its graph name a point that would be on the funtion m(5x)