Prove algebraically that the straight line with equation x=2y+5 is a tangent to the circle with equation x^2+y^2=5 I have 4/5 marks how do I earn the last one

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Carmen begins her next painting on a rectangular canvas that is 82.7 cm long and has a area of 8,137.68 cm2. will the painting fit in a frame with an opening that is 82.7 cm long and 95 cm wide? explain

Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?