Angela bought a calculator on sale for 15% off. Sales tax is 7.5%. If the calculator costs x dollars, which expression represents the total cost of the calculator? A. (x – 0.15)(0.075) B. (x – 0.15x)(1.075) C. (x – 0.15)(1.075) D. (x – 0.15x)(0.075)

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

Which statements regarding efg are true? check all that apply.

What is the value of x when x + 7 = 21?