I need help with my maths work. don't send me links I cant open links

A music store had a sale on tapes and CDs. Tapes were on sale for $5 each and CDs were on sale for $7. During the sale, 32 tapes and CDs were sold. The cash receipts from the sale of the tapes and CDs, before taxes, were $200. Let x represent the number of tapes and let y represent the number of CDs sold during the sale.

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Hi there, check the image, For some reason they were telling it contained inappropriate words but I am not sure what are they referring to.

0.02

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time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)

b. ol

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i got the answer right on edg.

congruent: (geometry) (of figures) identical in form; coinciding exactly when superimposed.