What's the value of y?

6 x 10 x 7÷ y = 210

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?