Mr. james is 4 times as old as his daughter. the difference in their ages is 36 years. find their ages.

D=12yrs ANSWER 1: The daughter is 12 years old.  

J=4D=4(12yrs)=48yrs ANSWER 2: Mr. James is 48 years old.

CHECK

J-D=36yrs

48yrs-12yrs=36yrs

36yrs=36yrs

Step-by-step explanation:

answer

explanation

the area of a circle is calculated using the formula

or

we can use any of the above formulae to calculate the required. preferably, let us use the latter since the diameter is

we substitute the diameter into the formula to get:

this is the exact value for the area of the circle.

the correct answer is a

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)