Estimate the circumference. use 3.14 or 22/7 to approximate π.
a. 18.75 cm
b. 19.63 cm
c. 37.5 cm
d. 39.25 cm

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle