Prehistoric cave paintings were discovered in a cave in France. The paint contained 35 % of the original carbon-14. The half-life of carbon-14 is 5730 years. Estimate the age of the paintings.

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?