The total age of a woman and her son is 51 years. Three years ago, the woman was eight times as old as her son. How is old is her son now?

Algebra question

A company makes cars at two factories. Some of the cars need repairs in the first year and some do not. This two-way frequency table shows the proportion of cars at each factory that need repairs or do not need repairs in the first year.

The size of a pearl is based on the length of its diameter. Therefore, a 6 mm pearl has a diameter of 6 mm. What is the approximate volume of a pearl of this size? Use π=3.14 in your calculations and round to the nearest hundredth.

An antique book cost $10 when it was first purchased. Today it's worth 1.5 times the original amount. How do you write that as a percent?

Zoe had a board 5 1/4 feet long she cut off a piece now the board is 3 5/6 feet long how long was the piece she cut off

Angela is buying a dress that is on sale for 20% off. If the original price of the dress is $40.00, how much money is Angela saving on the dress? A. $0.80 B. $3.20 C. $32.00 D. $8.00

Masurile a doua unghiuri complementare sunt invers proportionale cu nr 0,25 si 0,1 (6). calculate masurile celor doua unghiuri

Two baseball teams, the Jayhawks and the Falcons, each recorded the number of home runs hit in 1 season by every player on the team. Each team then calculated the mean number of home runs and the MAD (mean absolute deviation).

What is the area of a circle with circumference of 12π?

Function f (x) = ax^{3} + bx - 1, where a and b are constants. In addition, f (2) = 3. Find the value of f (-2).

How do you know that 35x5=5x35 without finding products?