In three more years, miguel's grandfather will be six times as old as miguel was last year. when miguel's present age is added to his grandfather's present age, the sum is 68. how old is each one now?

The speed of nitrogen molecules in the atmosphere (at 20ºC) follows a normal distribution with a mean speed of 500 meters/second and a standard deviation of 50 meters/second. Which conclusion does this information best support?

What is the slope of the line with the equation y = 3/4x + 4

The sum of this 4 digit even number's thousands and ones digit is 10

What is the answer -2 (v+5) - (-1+v) = 21

Miguel Rodriguez borrowed $200 from his brother Julio to pay for his books and tuition. He agreed to pay Julio in 6 months with simple annual interest at 6.1%.

A bowler knocks down at least 6 pins 70 percent of the time. Out of 200 rolls, how many times can you predict the bowler will knock down at least 6 pins?

Determine the period and frequency of the function f (x) = cos (4x)

isabel received a $90 gift card for a coffee store. She used it in buying some coffee that cost $8.17 per pound. After buying the coffee, she had $49.15 left on her card. How many pounds of coffee did she buy

Explain how to use the vertex and the value of a to determine the range of an absolute value function.

There are 7 people at a party. Each person must shake hands with all the other people at the party once. How many handshakes does it take to do this?