Given that d(x) = 2x, select all of the following that are true statements.
a- d(x) is a function,
b- xis the dependent variable,
c- d(6) = 3,
d- d(x) is a direct variation,
e- d(x) is a rule for the set of points (5, 10), (6, 12) and (-2, -4).

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.