What is the surface area of this rectangular pyramid?

LT

4 cm

3 cm

3 cm

What is the answer to the equation? Explain how you would solve this problem. 2x - 8 = 50

A sprinter runs 400 meters in 54 seconds. What is the runner's average running rate in meter's per second?

Conjugate of 1+i/1-i

Find the height of a triangle with an area (A) of 35 square inches and base (b) of 7 inches. Use the formula for the area of a triangle, A=1/2bh

What is 39 thousandths + 5 thousandths

A rectangle is 3 times as long as it is wide. The perimeter is 60 cm. Find the dimensions of the rectangle. Round to the nearest tenth if necessary.

An auditorium has 25 rows with 45 seats in each row. How manry seats are there in all?

Rewrite this expression with grouping symbols: 5m + 5n

If a triangle has angles that fit the ratio 4:3:2, what would be the measure of each of the angles?

David installed a device on his car that guaranteed ti increase his gas mileage by 15%. He currently gets 22 per gallon. How much will the gas mileage increase after installing the device?