Answer:
csc (0°) and sec (90°) are not defined.
Step-by-step explanation:
Given the options wehave to select the option which is undefinesd
First option: sec 45°

which is defined
Second option: csc(0°)

which is not defined
Third option: sec(90°)

which is not defined.
Hence, option 2 and 3 are not defined.
Choice B: I’m good a math and
STEP BY Step EXPLAINATION: 45 is double 25 and if you double 3.49=6.98 and choise B shows 4.79 soooo it’s choise B boooom.
Pls mark me Brainlyist
Answer:

Step-by-step explanation:
Because of order of operations, you do exponent first.
. Lastly 8 multiplied by 5 is 40, so the answer is 
Answer:
$18
Step-by-step explanation:
Answer:
The correct option is commutative property.
Step-by-step explanation:
The expression that Renee is simplifying is:

It is provided that, Renee recognizes that 7 and
are reciprocals, so she would like to find their product before she multiplies by
.
The associative property of multiplication states that:

The commutative property of multiplication states that:

The distributive property of multiplication states that:

The identity property of multiplication states that:

So, Renee should use the commutative property of multiplication to find the product of 7 and
,

Thus, the correct option is commutative property.