There are 180 degrees total in a triangle and the tell you one angle is 90. So you solve the equation 4x+6x=90. So x=9
Answer:
15
Step-by-step explanation:
To find how many she bought, we have to divide. So we do 105/7=15.
Answer:
4 square feet is equal 576 square inches
Step-by-step explanation:
to convert 4 square feet to square inches
Now, We know that 1 feet = 12 inches
∴
Now we need to find 4 square feet

The answer is c. Because there are 3 times more blank marbles than white marbles.