A complex number a+bi can be multiplied by i to get 1. What is value of a-b? (Note: i2=-1.)

A complex number a+bi can be multiplied by i to get 1. What is value of a-b? (Note: i2=-1.)

For instance, there may have been 100 voters and we know that 45 voted one way and 55 voted the other or there may have been 450 voted one way and 550 voted the other but what are the other combos...

help me with it plzzzzzzzzzzzzzz

I need help

Which ordered pair in the form (a,b) is a solution of this equation A.(-3.-2) B.(4,0) C.(-2,-3) D.(0,4)

translate the sentence into an equation

i helllo jnvkjdvfvhhfkvhf

a) P(x) = x4 − 25 b) Q(x) = x3 − 7x2 + 17x − 15

Don't understand how to get the answer The answer choices are A. 4 weeks 3 days B.3 weeks 4 days C. 5 weeks ,4 days

help please thank you

For each day, how many emails were sent and how many emails were received

. Write an equation in slope-intercept form for a line that passes through the two points (-1,5) and (3,-3).

At a store, ice cream cones cost $0.90 and sundaes cost $1.65. One day a total of 193 cones and sundaes were sold and the receipts totalled $243.45. How many cones were sold?

hello Im newt and I need help with math problems

Its hard and i dont understand how to do this I have tried but it is just really hard for me to understand.

-2z+5z≥57

-6r-36≤(4-2r)

ftfghjohuhyggfrdesrstdyt

How can you use distributive properties

No idea how to do it. Show me the steps and formula, please?