What amount of red, green, and blue light is necessary to make black? Explain your reasoning.

Use the empirical rule. the mean speed of a sample of vehicles along a stretch of highway is 70 miles per hour, with a standard deviation of 4 miles per hour. estimate the percent of vehicles whose speeds are between 66 miles per hour and 74 miles per hour. (assume the data set has a bell-shaped distribution.)

When does your body conduct current more readily?

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader