Which of these triangles appears not to be congruent to any others shown
here? check all that apply.
a. triangle a
b. triangle b
c. triangle c
d. triangle d
e. triangle e
f. triangle f

What is the missing step in this proof ?

In which form is the following function written? y = - 2(x – 3)(x + 5)

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?