Robert delivers papers every morning. On Sundays he has to deliver 57 papers and on each of the other days he only has to deliver 36 papers. How many papers does Robert deliver each week?
A.
309
B.
399
C.
345
D.
273
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Which graph of a hyperbola represents the equation 16x^2-y^2=16

∠1 and ∠2 are vertical angles. ∠2 has a measure of 63°. what is the measure of ∠1 ? enter your answer in the box.

Which two properties of equality could zoe use to finish solving for x? the equation is 3x - 4 = -10 for x so a either the addition or subtraction property of equalityb ether the multiplication or division property of equality c ether the addition or division property of equality d ether the subtraction or division property of equality just a simple a b c or d plz.