Today, Jin's age is 1/3 of Mary's age. In four years, Jin's age will be 1/2 of Mary's age. How old is Mary today?

a) 6 yrs old

b) 9yrs old

c) 12 yrs old

d) 16yrs old

If 30 is increased by 60%, what is the new amount?

Twelve friends shared 8 small pizza equally. How many pizzas did each person get?

The quotient of b and - 2 is 3.4

Manu determines the roots of a polynomial equation p (x) = 0 by applying the theorems he knows. He organizes the results of these theorems. From the fundamental theorems of algebra, Manu knows there are 3 roots to the equation.

The standard form of the equation of a parabola is x=y^2+10y+22 what is the vertex for of the equation

There are six marbles in a bag, three are green and Three are yellow. If you draw marble, replace it, and then draw another what is the probability of choosing two yellow marbles

Simplify the following questions: 7f-5 (4f+9)

What is 5x + 22 - 6x - 23 it is from algebra

Given the function g (x) = 4x+6 Find the value of x that makes g (x) = 14 A.-50 B.-5 C. 2 D. 8

Fis = 0.4 and fst = 0.8 and the average allele frequency p = 0.7, find the observed level of heterozygosity in the total population. a ... 2689, b ... 3743, c ... 0504, d ... 9827, e ... 5001