Write an explicit rule for the nth term of the sequence 40, 43, 46, 49, ... ​

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.