What is the surface area of the rectangular prism shown below? 5 cm
3 cm
13 cm
क
A 238 ft?
B 400 ft
195 ft
D 119 ft2
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Find the value of the cosine for angle a

Simplify. 3(4+4x) (type your answer in with no spaces)

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!