If sin(y°) = cos(x°), which of the following statements is true? triangles BAC and EFD in which angles B and E are right angles, the measure of angle F is w degrees, the measure of angle D is y degrees, the measure of angle A is x degrees, and the measure of angle C is z degrees y = x and ΔABC ≅ ΔFED w = x and ΔABC ≅ ΔFED y = x and ΔABC ~ ΔFED w = x and ΔABC ~ ΔFED

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

2/3(-6y+9x) expand each expression using the distributive property

Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13