How can I be better at algebra

A friend rewrite the expression 5 (x+2) as 5x+2. Write few sentances to your friend explaining the error. Then rewrite the expression correctly

Anna is buying trim to go around her rug. Her rug measures 54 inches by 42 inches. How many inches of trim will Anna need to buy

If the volume of a cube is 64 in3, how long is each side? 3 in 4 in 5 in 6 in

What is 2000 grams equal to in kilograms

Positive fractions less than 1 with an interval of 1/8

Find the value of x2 - 7x + 9 when x = 6. The value of the expression when x = 6 is

What is the degree of 7x^7+10x^4+4x^3-5x^11-10x^6-6x^7?

Round 46.895 to the nearest tenth

Dose a triangle have a perpedicular lines, parallel lines, and intersecting lines

The histogram represents the distributions of essay scores for high school sophomores and juniors in a contest. Which statements are true about the data used to create the histogram? Select three options.