What is the sum of the lengths 3 km and 639 m

Find the area 32/5ft X 3 3/8ft

If the mass of the empty container is 250 grams and the final mass of the container with liquid is 1,300 grams, calculate the mass of the liquid by itself.

Consider the differential equation y′′+αy′+βy=t+e6t. Suppose the form of the particular solution to this differential equation as prescribed by the method of undetermined coefficients is yp (t) = A1t2+A0t+B0te6t. Determine the constants α and β.

The equation of the line L1 is y = 2x + 5 The equation of the line L2 is 2y - 4x = 6 Show that these two lines are parallel.

What about if sasha earns some quarters and places them in her piggy bank. she now has 9 times as many quarters in her piggy bank as in her pocket. How many quarters did sasha earn? What would the equation be and answer?

What is the solution to the system of equations? Use the substitution method. {y=-2x+5 {3x-4y=2 Enter your answer in the boxes.

Absolute value of - 1 + 3i

Round 64,569 to the thousands

Keenan received two cube shape packages in the mail. The first package measured half the side lengths of the first. What was the volume of the second package Keenan received?

Dan was 8 years old when his sister was born. Now the sum of their ages is 56. Write an equation to represent this problem. Let the sister's age be s.