joan got 248 marks out of 400 in a sience examination. Express her marks as a percentage of her total.

Suppose the measure of an exterior of an equiangular triangle is (x+15). What is the value of x? A. 45 B. 60 C. 120 D. 105

Chuck combines 6.42 liters of red paint with 6.87 liters of blue paint to make purple paint. He pours the paint equally into 3 containers, and has 2.64 liters of paint left over. How many liters of paint are in each container?

Use a calculator to find the value of Sin 21° Round to four decimal places. A. 0.3839 B. 0.3584 C. 0.9336 D. 2.7904

Claire and Elena are going on a road trip with their families. They plan to meet at Elena's house and then follow each other. Claire meets Elena at her house at 10 a. m. Elena is held up by chores and has to leave late, but Claire continues on.

There are a total of 49 students in the two second grade classes at Jefferson School. If Carla has 7 more students in her class than Linda, find the number of students in each class.

How to make 5:___=40:32 an equivalent ratio

Use the Laws of Logarithms to combine the expression. 2 (log6 (x) + 3 log6 (y) - 5 log6 (z))

What is the solution to the following equation 4x+3y-z=-6

Describe the information of the graph of the parent function f (x) = x that results in the graph of g (x). g (x) = 3x

If c=42-d is true, then which is greater: c or d, or are you not able to tell