An office building casts a shadow that is 55 m long. At the exact same time, a 5 m tree casts a shadow that is 1.1 m long. Use similar triangle ratios, to calculate the height of the office building.

The center of a circle is at (-5, 7) and its radius is 6 units. Which of the following is the equation for this circle? A) (x - 5) 2 + (y + 7) 2 = 36 B) (x + 5) 2 + (y - 7) 2 = 36 C) (x - 5) 2 + (y + 7) 2 = 12 D) (x + 5) 2 + (y - 7) 2 = 12

Common difference of 10,3,-4,-11

Maura wrote the letters of lake Charles in a separate index cards if she chooses a card at random what is the probability that Maura will choose a vowel?

Determine whether each expression is equivalent to - 9.8 + (-4.3). Select Yes or No for each expression. -9.8-4.3 Yes No -9.8 + (-0.2) + (-4.1) Yes No -9.8-0.2+4.1 Yes No -9.8 + (-0.2-4.5) Yes No -9.8+0.2-4.5 Yes No

Joylin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. She knows that the total cost to download 3 videos was $12.

If angle 1 is 110°, what would the other angle measures have to be in order for m || n and allp? Angle 2 = Angle 3 = Angle 4 =

Which of the following is NOT true for a hypothesis test for correlation? Choose the correct answer below. A.

42/45 greater or less than 3/15

Find the unit cost of a store sells a dozen eggs for 1.99.

Solve the equation. If necessary, round your answer to the nearest tenth. 4 = 121 A. 2.75, - 2.75 B. 5.5, - 5.5 C. 11, - 11 D. 30.25, - 30.25