Pleae help asap. Find f(77).

f(p)= 7/11 p - 10
O f(77) = 39
O f(77) = 49
O f(77) = 59
O f(77) = 67

Which best explains why this triangle is or is not a right triangle?

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

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.