When adding or subtracting fractions with like denominators, does the denominator change?

What are the first 5 terms of the sequence generated by the formula an = 2 (n!)

Mrs. stickney is bought a new car seat for $179.99. if sales tax was 8%, how much did she pay for the car seat

What is the quotient of a number and five increased by four is sixteen.

What is the sum? 5/3 + ( - 1/5) 1. - 22/5 2. - 22/15 3. 22/15 4.28/15

Estimate the percent of temperatures within 1 standard deviation of the mean. round temperatures to the nearest 10 degrees. for example, 1 standard deviation below the mean is 61.3-21.5=39.8 which would be rounded to 40.

Find an angle x where sin (x) = cos (x)

Greta and Marge are collecting money for a local charity by taking donations outside of busy local businesses. Hoping to collect the most money today, Greta gets to her collection spot and begins collections at 8am.

Which expression is equivalent to the expression below? (4x + 2y - z) - (x - y + 7)

13y-7y=9 Solve for y, write it as a reduced fraction.

In a family with 7 children, excluding multiple births, what is the probability of having exactly 2 girls? Assume that having a boy is as likely as having a girl at each birth.