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Choose the correct simplification of (5x + 7y)(4x - 6y). (4 points)

20x2 + 2xy + 42y2

20x2 - 2xy - 42y2

20x2 - 2xy + 42y2

20x2 + 2xy - 42y2

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

What is this inequality notation? t is less then or equal to 2

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m