What is the most precise name for a regular polygon with four right angles?
A. square
B. parallelogram
C. trapezoid
D. rectangle

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups