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Find the percent of decrease. Original: 40 New: 30

Identify all of the ordered pairs represented in the mapping:  A mapping diagram displays two vertical columns labeled “Input” on the left and “Output” on the right. The input values listed from top to bottom are negative 2, negative 1, 0, 3, and 5. The output values listed from top to bottom are 6, 5, 3, 0, negative 1, and negative 4. Arrows connect negative 2 to 6, negative 1 to 5 and also to 3, 0 to 0, 3 to negative 4, and 5 to negative 1.

Which expression correctly represents 35% of 210? 

Identify the domain and range for the relation represented in the table:  x -2 -1 3 4 y 4 2 -6 -8    

For the first week of summer, Hang Ten Surfing Lessons is offering a 10% discount on all lessons. If the regular price for lessons is $75 per hour, find the price per hour after the sale discount is applied. 

David has been feeling tired lately, and after having blood work completed, it shows elevated TSH and low iodine.  Predict what may be happening to David. Would your diagnosis be hyperthyroidism or hypothyroidism (2pts)? Explain the feedback mechanisms for thyroid hormone regulation to support your answer for what may be happening to David (4pts). What treatment would you suggest (1.5 pt)?

Which is the x-intercept of the equation ?

Find the coordinates of the image after reflecting across the y-axis.   [answer1]  [answer2]  [answer3]  [answer4]

Find the distance between  and . Simplify the radical, if necessary.

A container of Italian Gelato holds 454 grams of gelato. How many ounces does it hold, if 1 ounce is 28 grams, to the nearest whole ounce? [answer1] oz