Simplify the trigonometric expression.

sin4 (α) - cos4 (α) + cos2 (α)

If a and b are distinct positive integers. the units digit of a2 is equal to the units digit of a, and the units digit of b2 is equal to the units digit of b.

What is the value of 9 in 49123 is what times the value of 9 in 63129

Which of these correctly rearranges the terms in this polynomial so like terms are next to each other?3 - 6x + 4x2 + 3x - 6x2 - 4

Alisa wants to open a savings acount at credit union she is consermd that she mite lose her mony if the credit mony is rovd. explain why alisa should or should not concernd

5. A model of Earth is located 7600 meters from the Globe Arena in Sweden's solar system model. The volume of the model is approximately 3052.08 cubic centimeters. What is the length of the radius of the Earth model? Solve each problem. Use 3.

An orange is shot up into the air with a catapult. The function h given by h (t) = 15+60t-16t^2 models the orange's height, in feet, t seconds after it was launched select all the true statements about the situation.

Aaron, a car salesman at KIA, makes 4% commission on all sales he sells 5 cars for $15,000 each. What was the total commission on his sales.

What is y + 10 = - 3 (x + 10) in slope-intercept form?

Find the values of x when y = 1 y=x^2 - 2x-3

Five girls share 4 sandwiches equally. What fraction of the sandwich does each girl get?