Does anyone know the answers to Unit 3 lesson 14 geometry test/proofs unit test
Plz Help!!

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12