Can any one help with y = 2x + 4 6x – 3y = -12 system by substitution I’m so confused??
I will give you 50points

What is the approximate circumference of the circle shown below?

Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm

Use the squared identities to simplify sin^2x cos^2x