Write a rational expression that is equal to the following rational expression when x does not equal 1 or -5 4(x-1)/(x-1)(x+5)

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Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in