Answer:
22)

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∴To calculate the perimeter , add the length of its sides.
∴To calculate the area, multiply its height by its width.
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621,864
Since the 4 is a smaller digit than a 5, the 6 in the tens place would stay the same while the 4 would become a 0.
Answer:
R= {a,b,c}
S = {b, c, d}
T = {c, d, e},
Step-by-step explanation:
R U S U T. ={a,b,c}U{b, c, d}U{c, d, e},={a,b,c,d,e}
With the meal costing $18 and the tip being $15 the total will be $33