Earth's radius is about 261.4% of mercury's radius.(2,440 km.) what is the radius of earth?

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

Using elimination, what is -4x+2y=-12 4x+8y=-24