Solve for X
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45°
7
please help asap

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

2,10,-50 next two numbers geometric sequence

X=4 / y=100 if x=10 then what is y=?