Answer:
Square feet refer to the area of the triangle. Using the area formula (1/2bh), the area is calculated to be 4.375 square feet. If each square foot costs $.40 to make, then the correct process is to multiply 4.375 by .40, making the correct answer $1.75.
Step-by-step explanation:
The interest earned by $318 investment is 9/100 x 318= $28.62
Answer:
-9
Step-by-step explanation:
The missing number will be labeled as x.
-15*x*8*(-4)=-4320
480x=-4320
x=-9
