How does check make sure the solution to an equation is correct?

If ∠A and ∠B are complementary angles, m∠A = (2x + 11) ° and m∠B = (10x - 17) °, find m∠A.

Multiply 5c^3d (3c^4d^5+5cd^5+3cdg)

What is the answer to this, 6x 2 (3x)

Which problem is solved using this model? A. 2 divided by 1/8 B. 1/4 divided by 2 C. 8 divided by 1/4 D. 2 divided by 1/4

there are ten piece of pizza. Anthony ate 1/5 of the pizza for dinner. he ate 5/6 of the pizza for a bedtime snack. how much pizza has he eaten in all? give answer as a fraction, reduced to lowest terms.

1. Solve x squared + x - 6 by Factoring A. x = 3 and x = 2 B. x = 6 and x = - 1 C. x = 3 and x = - 2 D. x = - 6 and x = 1 E. None of the above

What is 142 rounded to the nearest 10

After 6 years what is the total anount of a compound intrest investment of $35,000 at 4% intrest compound quarterly

This table shows input and output values for a linear function f (x). What is the positive difference of outputs for any two inputs that are three values apart? Enter your answer in the box. x f (x) -3 - 1.5 -2 - 1 -1 - 0.5 0 0 1 0.5 2 1 3 1.5

Complete the table. Explain why the relationship is a proportional relationship. A cashier earns $8 per hour. Time (h) 2 4 Pay ($) 16 40 72 Proportional? Why?