√10 Multiple √15 is equal to (a) 5√6

(b) 6√5

(c) √30

(d) √25

step by step for BRAINLIST

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Jessica is a custodian at oracle arena. she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate. at this rate how many sqaures meters can she wax per hour

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x