Find the perimeter of this semi-circle with diameter 62cm. Give your answer as an expression in terms of Pi

Please include the formula

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93