Change ∆ABC by moving point B to set m∠BCA to the values in the table. As you move point B, you’ll notice that a defect, or a rectangular area, is formed either within or next to square a2 and square b2. Calculate and record the areas listed in the table to two decimal places for each measure of ∠BCA.

ranks (& how to earn them):

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how to award brainliest:

you must wait until 2 people answer to award brainliest. i'm pretty sure that it should be next to the "" and "comments" buttons.  

thus, the first answer choice, y = sec x, is the correct one

  answer:

  write 548 as 500 + 40 + 8. multiply each addend by 5. then add the three products to get 2,740.

range =5

step-by-step explanation:

to find the range, we take the largest value and subtract the smallest value.

the largest value is 5

the smallest value is 0

the range is 5-0   =5