3. Jessica is measuring two line segments. The first line segment is 30 cm long. The second line segment is 500 mm long. How long are the two line segments together? (answer in cm). Remember to show your work to receive full credit.

Complete the equation, 287x6=25, 2

Find the product. 4x^3y (-2x^2y)

You roll a die 8 times and record the results. You and a friend repeat the experiment 100 times each and find the median of each sample. Afterward, you graph the sampling distribution of the median.

On a scale model of a building, 14 inch represents 38 foot. What length on the model represents 1 foot?

The logarthmic base of 81 of 3 is 1/4 why?

How can a decimal be converted to percentage?

When you subtract one square number from the other the answer is 20. What are the two numbers?

Two angles form a linear pair. One angle measures 8 less than three times the other. Find the measures of the angles.

Three solid shapes, A B and C are similar. The surface area of shape A is 9cm² The surface area of shape B is 16cm² The ratio of the volume of shape B to shape C is 27:125 Work out the ratio of the height of shape A to shape B Give your answer in

Solve for x: x + 21 = 39 A. x = 23 B. x = 12 C. x = 18 D. x = 14