A boy is X years old. His sister is twice as old he is. The sum of their age is 27, How old is the boy?

How to put 5/27 into a percentage

Find the value of 2x10 to the 3rd power

Solve the inequality - 3 (g+5) >3. Make sure your answer includes the inequality sign in the variable

What is the range of function from y = 2x - 2 with the domain 1,2,3?

Which number line shows the graph of x greater-than-or-equal-to 11? A number line going from 6 to 14. An open circle is at 11. Everything to the right of the circle is shaded. A number line going from 6 to 14. A closed circle is at 11.

10/11 in simplest form

The digit 4 in which number represents a value of 4 hundreds

Write the first five terms of the geometric sequence a1 = 20, r = y2

A drone has an initial velocity of 38m/s. Five seconds later it reaches a velocity of 51m/s. What is the acceleration of the drone?

Use a linear equation to represent and solve the following situation a) Marco received a gift card for a local coffee shop. Every time he goes to the shop, he gets a medium coffee. After two visits, the gift card had $19.70.