Answer:
b = 26°
Step-by-step explanation:
a ; b = complementary =>
a + b = 90° } => b = 90° - 64° = 26°
a = 64°
Answer:
A
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
if you find it difficult you can always write is down as a piece of side working
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Consider the form x^2+bx+c. Find a pair of integers whose product is c and whose sum is b. In this case, whose product is 36 and whose sum is 20.
2, 18
Write the factored form using these integers.
(x+2)(x+18)
Answer:
x=12
Step-by-step explanation:
x+7=19
-7 -7
x=12