Well I need to know how many classes does the she teach and it would be 18
Answer:
(x - 10)(x + 10)
Step-by-step explanation:
x² - 100 ← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b) , then
x² - 100
= x² - 10²
= (x - 10)(x + 10)
Answer:
yes, 29 is a monomial
Step-by-step explanation:
5x - 3y = 9
5x = 9 + 3y
5x - 9 = 3y
( 5x - 9 ) / 3 = y
y = ( 5 / 3x ) - ( 9 / 3 ) ( I just split the common denominator to individual parts )
y = 5 / 3x - 3
Answer:
2. 7.2
3. (7,6)
4. (6,-7)
sorry but question no 1 i cant answer cause the pic is too blurry