Vera bought 11 snowflake stamps. she bought 5 more truck stamps than snowflake stamps, and 10 fewer Rose start of than truck stamps. how many stamps did Vera buy in all?

my mind tells me that this is addition and subtraction

Complete the square 2x

A manufacturer makes bags of popcorn and bags of potato chips. the average weight of a bag of popcorn is supposed to be 3.02 ounces with an allowable deviation of 0.02 ounces. the average weight of a bag of potato chips is supposed to be 5.

A fan is marked up 40% off the original price. The original price was $20. What is the new price of the fan before sales tax

If the ratio of black to grey tiles is 3:5, how many black tiles are there in each pack? Show your working out. Pack size tiles; 32,48,880,2048,1152 Black tiles: * answer.

The simple interest formula is I = Prt, where I represents simple interest on an amount, P, for t years at a rate of r, where r is expressed as a decimal.

In a lab experiment, the decay of a radioactive isotope is being observed. At the beginning of the first day of the experiment the mass of the substance was 1100 grams and mass was decreasing by 10% per day.

Solve for x, assuming a, b, and c are negative constants. (ax + b) / c ≤ b

6 Isabella paid a $50 initiation fee to the gym. Each month she pays $25. Write a linear equation that shows how much Isabella spent, y, at the gym in x months.

Nicole has $120. if she saves $20 per week, in how many days will she have $500?

How many triangles form by the diagonals from a fixed vertex has 11 12 13 14 15 sided polygon