If $3000 grows to $3540 after 3 yr, find the simple interest rate

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?