1. Write an expression to show the sum of gg and h reduced by 11

2. Use models to prove that 3 (aa + bb) is equivalent to 3a + 3b.

3. Justin can type ww words per minute. Melvin can type 4 times as many words as Justin. Write an expression that represents the rate at which Melvin can type.

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.