How would I work out:

Bianca holds out a sack of counters.

3 are red

7 are blue

the rest are yellow.

Her friend Adore takes a random counter out.

The probability that she takes a yellow is 2/7.

How many yellow counters are in Bianca's sack?

3/5 times 7/10 divided by 2 7/10

A sports jacket costing $129 is priced $11 more than twice the cost of a coordinated pair of slacks. How much are the slacks?

If x-14=27 then x is

There are 2 computers for every 3 ipad. if there are 27 ipad how many computer are there

8 Cakes cost £4.00 how much 3 cakes cost?

Conner and Jana are multiplying (3568) (39610). Conner's Work Jana's Work (3568) (39610) = 35 + 968 + 10 = 314618 (3568) (39610) = 35⋅968⋅10 = 345680 Is either of them correct? Explain your reasoning.

3n + 8 less than or equal to n - 4

Which of the following is a situation in which an equation cannot be solved using the quadratic formula? A.) The coefficient of the x^2 term is zero B.) The right hand side of the equation is zero C.) The coefficient of the x term is zero D.

Adult tickets to a basketball game cost 5$. Student tickets cost 1$. A total of 2,874$ was collected on the sale of 1,246. How many of each type of ticket were sold?

Which table shows a function that is increasing only over the interval (-2, 1), and nowhere else? A 2-column table with 6 rows. The first column is labeled x with entries negative 3, negative 2, negative 1, 0, 1, 2.