Expand the following. In other words, remove the parentheses (brackets): a(3+b-a)
A 3a + ab-a?
B 3a + ab + a?
Cза - ab - а?
D 3a + b - a

Adding and subtracting matricesfind the value of each variable. x = and y = would

Select the number of ways in which a line and a circle can intersect

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition