If the nth term of a number sequence is n squared+2n find the first 3 terms and the 10th term

The 3 by 3 grid below shows nine 1 cm * 1 cm 1 cm*1 cm squares and uses 24 cm 24 cm of wire. What length of wire is required for a similar 20 by 20 grid?

Who to solve - 4 = - 5.7 + a

Your schools talent show will feature 12 solo acts and ensemble 2 acts. The show will last 90 min. The 6 solo performers judged best will give a repeat performance at a second 60-min show, which will also feature the 2 ensemble acts.

Theo bought 8 packs of pencils for $4 each and 3 packs of erasers that were on sale for $2 off their regular price of $5 each.

How do I solve y+8=-11

Noah's hot chocolate is too hot so he adds 50 mL of 10 degrees Celsius milk to his 150mL mug of hot chocolate that was originally 90 degrees Celsius. What will the final temp be of the mixture

How many different two-digit numbers can be formed using the digits 1, 3, 4, and 5. Repetition of digits is allowed. 8 ways 12 ways 16 ways 20 ways

A square scarf has a side length of 3/4 yard on each side what is the area of the scarf?

a county park charges $175 fee to rent a pavillion plus $20 per guest. Write an equation for this function. What do the slope and y-intercept represent

What is the sum of 3m + 7y + 5 - m - 6y?