Explications:
1)solve 7b+4=25
2)Express 350g as percentage of 1kg ?
3)write 30 in simplest form?
45
4)define percentage and right simple?
5)find distance A(1,2)and (4,3)=?
6)Express as decimal 124%?
7)Express (X+1)(X-1)
8)write lows of exponent at least 3 formula?
9)simplify
a)5³×5⁶=?
b)b⁷÷b⁵=?
10)at class party there are 16boys,15girls and 4adults what the ratio?
a)boys to girl
b)boys to girl to adult