there is subtraction and its in my book of grade 7 2018 my teacher explain on it

there is subtraction and its in my book of grade 7 2018 my teacher explain on it

the above is what I got from (4-2i)/(-10+5i) multiplied by (3-i)/(-3+i) written as equation/equation x equation/equation thank you for any help

I dont know how to add negative Numbers and positive Numbers together

I think... it's 21.

what is two plus two? i am very curious and need help

The peel of an oorange weighs about 1/6 the mass of the whole orange. The cost of six oranges is $4.80. All the oranges were peeled and the fruit was found to weigh 1.6kg. What was the price per kilogram...

The peel of an oorange weighs about 1/6 the mass of the whole orange. The cost of six oranges is $4.80. All the oranges were peeled and the fruit was found to weigh 1.6kg. What was the price per kilogram...

Supposed to take Square + Square +Triangle= Plus Sign. Given several options that look similar to that.

I dont knaow what to do

what is the answer 12+(-9)???

need help solving this problem

nothing this comes under addition

f(x)= (6x+4)/4 g(x)=6x+8 can i multiple f(x) by 20 and g(x) by 3, add them and then evaluate at x=-2? is -52 the answer?

I need to know how many jumping jacks he will do in 3 days, if he does 2 jumping jacks per day.

Pat is 23 years older than his son Patrick. In 10 years Pat will be twice as old as Patrick. How old are they now?

Here are four digits. 4,6,2,7 Use all four digits to make this sum correct ---- + ----- = 100

Hi, this is a simple question but it's taking me a while, what is it?

use the integers 0, -2, -3, -4, -5, -6 ,-7, -8, -9, -10 to fill in a 3x3 magic square so that every row, column, and diagonal has the same sum. what is the magic sum?

I have 20 cards numbered 1-20, I have to have 6 uneven rows but each row has to equal same amount?

Creating equations in one variable