Ben has $75 to spend on basketball cards. NBA pro cards cost $3 each and college cards cost $1 each. What equation in standard form determines the number x of NBA pro cards and the number y of college cards he can buy?

for any of you who need the translation here it is

step-by-step explanation:

find the angular size of the equatorial radius of the earth, if the horizontal parallax of the sun

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²

answer is c

step-by-step explanation:

81/12=324/x

x=48

the answer is d

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