ok so just subsitute 5
A
3=2(5)-7
3=10-7
3=3
true
B
3<2(5)-9
3<10-9
3<1
false
C
2<5+6
2<11
true
D
18=6(5)-12
18=30-12
18=18
true
E
3=2+5
3=7
false
true ones are
A,C,D
41. brick has legnth of 2 and 2/5, bla bla bla
how many 1/5 cubes fit along the LEGNTH of brick
aka, how many 1/5's are in 2 and 2/5
2 and 2/5=5/5+5/5+2/5=12/5
how many 1/5 are in 12/5
12
answe is C
40. A,C,D
41. C