how do you calculate the area of a triangle without the height and all different side lengths? sorry for blurry photo

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

You are looking for your first credit card. you plan to use this credit card only for emergencies and to pay the credit card balance in full each month. which credit card feature is most important? a. no annual fee b. low apr c. generous rewards program d. no balance transfer fee select the best answer from the choices provided