Solve the following addition and subtraction problems. 90 cg 95 mg + 7 g 12 cg 18 mg = ; 12 dag 5 g − 7 g = ; 4 kg 2 hg 14 kg + 5 kg 17 hg = ; 8 kg − 9 g=

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m