Aliyah has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost

Classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular. a.heptagon, regular b. heptagon, not regular c. octagon, regular d. octagon, not regular

Is the square root of 4 plus the square root of 16 rational?

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me