Write the following series in sigma notation.

3 + 8 + 13 + 18 + 23 + 28 + 33

Work out the area of a trainable of base 6cm and height 8cm

Lily went to the mall at 9:35 a. m. and left at 12:05 p. m. how much time did she spend the mall

What is the sum of n natural numbers: 1+2 + ... + n?

The value of a machine when new is £8000. The value depreciates by 10% each year. Work out its value after 3 years

How do you figure out a sum of 2 number, like the sum of 24 and 75?

Which interpretations dor the given expression is correct

Javier is buying food in the lunch line. The tray of salad plates is 3/8 full. The tray of fruits plates is 3/4 full. Which tray is more full?

What is defination of tangent

What if Charlie has 12 T-shirts one fourth of her T-shirts are green how many of charlies T-shirts are green?

A cotton candy vendor has 8 cones of blue cotton candy to sell. If the blue cotton candy is 25% of the total number of cones, how many total cotton candy cones does he have?