Answer:
l think the answer is B
Step-by-step explanation:
The eighth patern should give the result 81
Answer:
Step-by-step explanation:
Answer:
4:!
Step-by-step explanation:
4:1 because their are 4 boys for every 1 girl
Answer:
Complementary
Step-by-step explanation:
To be complementary, your two angles need to add up to 90 degrees
a right triangle is already 90 degrees so if you cut it through the middle they'd form complementary angles
Answer:
x ≈ 3.4 cm
Step-by-step explanation:
Using the sine ratio in the right triangle
sin57° = 
= 
( multiply both sides by 4 )
4 × sin57° = x , thus
x ≈ 3.4 cm ( to 1 dec. place )
