Math course

The greatest common factor (GCF) for 30 and 45 is .............

• 3

• 5

• 15

• 90

  The additive inverse of – 3 is …………….

• 3

• -3

• 4

• 6

• 3

• 5

 Zero is ……………  integer.

• a positive

• a negative     

• a prime

• not a positive or negative

• 15

• • -15

• 15 and -15

• 30

calculate : ( 5 × 2⁴ ) – 7 ²

• 40

• -9

• 9

• -19

• 2
• 5
• 7
• 1

• 6
• 15
• 2
• 9

• 84
• 60
• 48
• 72

• 75%
• 90%
• 50%
• 25%