Solve the system of equations - System 1: 7x + 2y = 24
System 2: 8x + 2y = 30

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Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Astore has 20% off sale of pants. whith this discount , the pricw of one pair of pants before tax is $15.20. what was the original price of the pants?