How to use mental strategy to add and subtract

What is 1354.106 rounded to the nearest tenth?

A equivalent expression by combining like terms for 8a+11-2a

A gymnasium can hold no more than 650 people. A permanent permanent bleacher in the gymnasium holds 136 people. The event organizers are setting up 25 rows with an equal number of chairs. At most, how many chairs can be in each room?

Marshall's mom buys 2 boxes of granola bars each week. each box contains 8 granola bars. if she continues buying 2 boxes each week, how many granola bars will she buy in a year?

Sam borrows money from his brother to buy a new video game. He agrees to pay his brother back the full amount of the loan, plus an additional $4.50, which is 9% interest. How much did Sam borrow originally?

Why are the mode median and mean called the measures of center

Solve for x. x^2 + 12x+27=0

How many hours is 9:18am - 2:00pm

What are the whole steps to get the answer for 4x - 6=x + 9?

Measure the length of the mouse as shown in millimeters and in centimeters. millimeters: centimeters :