Practice 2 digital subtraction

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If x=-2 is a solution of the equation x^2+bx+6=0 what is the value of b

Solve for w. - (14w 8) 8=3 w=52 w=134 w=-34 w=-12

Sue has $1.75 in quarters, dimes, and nickels. She has the same number of quarters and dimes. The dimes are worth $0.40 in all. How many coins are dimes and quarters? Explain What is the total value of the nickels? Justify your answer.

A cleaning company charges x dollars per hour to clean floors and y dollars per hour to clean the rest of the house -when the company spends 2 hours to clean floors and 3 hours to clean the rest of a house, the total is $84.

What is the average rate of change from x = 0 to x = - 2?

Mr. Li records the measures of the lengths of his students' handprints. The lengths, in centimeters, are shown in the table. A 7-column table with 3 rows. The first row contains entries 14.0, 11.5, 12.1, 16.2, 13.5, 14.3, 16.8.

How can you tell if an equation is linear or non linear?

Mason used a 30% coupon to buy a new computer. After the discount, the cost of the computer was $728. Determine the original price of the computer. Show your work.

Flipping a coin twice what are the possible outcomes

In his first 64 games, Rashad hit 48 homeruns. If he continues at that rate, how many homeruns will Rashad hit in his next 272 games?