Two students are using shadows to calculate the height of a pole. One says that it will be easier if they wait until the angle of the elevation to the sun is exactly 45°. Explain why the student made this suggestion.

While returning to the glider port Lucy descended for four minutes at a rate of 200 ft./min. how much altitude did she lose if her starting altitude was 2200 feet what was her Final altitude

1. Which quadratic equation does not have any real solutions? A. x2 - 4x + 3 = 0 B. x2 - 4x + 4 = 0 C. x2 - 4x + 5 = 0 D. x2 - 5x + 6 = 0

Adrian took $42.50 to the fair. Each ticket at the fair cost t dollars. Adrian bought 5 tickets. Which expression represents the amount of money, in dollars, that Adrian had after he bought the tickets. A. 42.50 - (5-t) B. 42.50 - 5 C. 42.

1 1/2 days = hours how many hours is it

A city planner is measuring the distance of one city block. Which unit of measure should she use: 1 mile, 1 meter, 1/2 inch. Explain.

Give the approximate: square root 48

B>11.3 A) - 14 B) 15 C) 4 D) 9

2. Which equation can be used to represent "six added to twice the sum of a number and four is equal to one-half of the difference of three and the number"?

There are 8 blue marbles and 7 red marbles in a bag. Julie pulls 2 marbles at random from the bag first. What is the probability that she first pulls a blue marble then a red marble? Show work.

Which of the following is an equivalent form of the compound inequality - 44 > - 2x - 8 ≥ - 8? -2x - 8 > - 44 and - 2x - 8 - _> - 8 -2x > - 44 and - 8 _> - 8 -2x - 8 < - 44 and - 2x - 8 _<-8 -2x - 8 - 8 .