Answer asap: danielle's wallet had $2.65 in change: all quarters, dimes and nickels. she had 3 times as many quarters as dimes and one more dime than nickels. how many of each coin did she have?
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Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)