Twice the difference of a number and 4 is equal to three times the sum of the number and 7. find the number
the number is=

Which statement is always true? a negative exponent cannot be part of an expression's numerator. a negative base raised to the power of 2 has a negative value. a negative base raised to the power of 2 has a positive value. any number to the first power is zero.

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

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm