What does this even mean?

42x=7

Julio has 47 marbles. He keeps his two favorite marbles, then equally shares the ramaning marbles between 5 friends. How many marbles does each friend receive? Explain.

Find the radius of a circle that has this measurement. d=2.25cm

Which of the following values is equal to - (-4.3) ? -4.3 0 4 4.3

When solving a literal equation, what is the trick for isolating a variable that appears more than once?

out of the 1480 students in gila monster high school, 896 are girls. A total of 373 of the student made the honor roll. The number of girls who appeared on the honor roll has 5 less than twice the number of boys

The design for the palladium window shown includes a semicircular shape at the top. The bottom is formed by squares of equal size.

Solve the following equation for y. Assume that b and y are non-zero real numbers. show and explain your work. 6-by=19

A hotel plans to use marble for part of the floor lobby. The marble section of the floor will be in the shape of a triangle with a base of 80 feet and a height of 60 feet. The marble flooring costs $6 per square foot.

16. The mean is defined as the O A. average of a data set. OB. number that shows up most often in a data set. O C. range of the data set. O D. middle of the data set.

Brass costs $0.90 per pound, copper costs $2.15 per pound, and aluminium costs $0.75 per pound. Which medal would you recommend be for, for use as a heat sink in the tablet?