If 2x+5y=10 is a true equation, what would be the value of −4(2x+5y)

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Pls as soon as ! will award brainliest and 20 ! also the answer is not 22.5 degrees! find the value of x in each case: