Find angle "A" in each of these figures.

a). A = ________ |
b). A = ________ |

c). A = ________ |
d). A = ________ |

4). (1 point each) Negative numbers:

a). 4 - 5 = |
b). - 10 + 4 = |
c). - 5 - 5 = |

d). - 8 + 8 = |
e). ( - 3) ( - 3) = |
f). (+ 8) ( - 8) = |

g). |
h). - ( + 8) = |
i). - ( - 6) = |

j). 4(10 - 16) = |

k).

Answer: ____________