Determine what number to multiply the first equation by to form opposite terms for the x-variable. 2 5 x + 6y = -10 –2x – 2y = 40 Multiplying the first equation by will create opposite x terms. will give brainliest

What is the measure of ac? 5 units 13 units 26 units 39 units

Which equation represents the partial sum of the geometric series?

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds