A plan travels 800mi from Dallas, Texas to Atalanta, Georgia with a prevailing west wind of 49mph. The return trip against the wind takes 1/2hr longer. Find the average speed of the plane in still air.

how many times is each basic property of associative commutative and distributive used to evaluate the expression 23 + 5x + 7y - x - 5 - 27 respectively

The maximum weight allowed inside an elevator is 350 lb. If W is the total weight of the people inside the elevator, which of the following correctly describes the maximum weight allowed?

Which biconditional is NOT a good definition? A. Two line segments are congruent if and only if they are of same length. B. An angle is straight if and only if its measure is 180. C. Two figures are congruent if and only if their areas are equal. D.

The sum of four consecutive odd numbers is 56

Li is making beaded necklaces for each necklace, she uses 27 spacers, plus 5 beads per inch of necklace length. Write an equation to find how many beads Li needs for each necklace. A. Input variable B. Output variable C. Equation

What Exponential form is 1 / 10 x 10 x 10 x 10? :

Is 6 (x+0.4) equivalent to 3 (2x+0.8) ? YES or NO? Show your work! 6 (x+0.4) 3 (2x+0.8)

When is a rhombus a square? A. When its angles are convex angles B. When its angles are right angles C. When its sides are parallel D. When its sides are congruent

Do the ratios 3/4 and 4/8 from a proportion

Find the product. (y-3) (y-4) =