What is the answer for (7×7) (3×4) ÷ (3×9)

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Sketch one cycle if the cosine function y=2cos2theta

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?