−n + (−3) + 3n + 5 im really confused by this question just solve it like you normally would

43lbs of tomatos cost $387. how much would 41lbs cost

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

Is an altitude in triangle abc. which statements are true? check all that apply. δabc δbxc δaxc ~ δcxb δbcx δacx δacb ~ δaxc δcxa δcba